The noble gases, or group 18, on the periodic table are known to be unreactive. Which of the following reason best describes why this family is so inert?

Their outer shells are full, they can't hold any more electrons.

Their outer shells need one electron to be full.

Their outer shells have 2 electrons.

Their outer shells have 1 electron.

Answers

Answer 1

Answer:

Their outer shells are full, they can't hold any more electrons.


Related Questions

What is a limitation of using a chemical formula, such as CGH1206, to represent a compound?
The chemical formula does not show the types of elements that make up the compound
The chemical formula does not show how the atoms are connected to one another.
O The chemical formula does not show the number of atoms of each element in a molecule
The chemical formula does not show the chemical symbols of the elements in the compound.

Answers

Answer:

The chemical formula does not show how the atoms are connected to one another.

Explanation:

With a chemical formula, you can see the types of elements that make up the compound, the number of atoms of each element in a molecule, and the chemical symbols of the elements in the compound.

What do you think is the most important element and why? Include information
on its position on the Periodic Table in your response,

80 word count

Answers

Answer:

Hydrogen

Explanation:

It is considered a special element due to its flexibility in giving up & taking in electrons, therefore making it good for organic & inorganic chemistry. Hydrogen has only one proton and one electron and is the only element which has no neutrons. it is considered as the simplest element in the universe and gives a valid reason for it to be the most abundant and common element in the universe.

Hoped this helped! If this doesn't fit your 80 word count, you could shorten it.

1. the ball has no energy
2. it has both potential and kinetic energy
3. all of the ball's energy is kinetic
4. all of the ball's energy is potential

Answers

Answer:

2

Explanation:

It is going through the air and is moving so that means that it has kinetic energy. But it is also going to go the down, which gives it potential energy.

How many feet are in 3.2 miles

Answers

Answer:

16896

Explanation:

5280*3.2=16896

Answer:

The answer is 16896 feet.

Explanation:

1 mile = 5280 feetor, 3.2 miles = 3.2 × 5280 feet =16896 feet.

Therefore, the answer is 16896 feet. If you like this answer then mark this answer as BRAINLIEST answer.

Thank you ☺️☺️

How many scientific methods are there?

Answers

Answer:

h

Explanation:

Answer:

I think its 8!

Explanation:

please tell me if I'm wrong :<

is C2S6 ionic or covalent

Answers

Answer:

Ionic

Explanation:

I heard this somewhere

ASAP MULTIPLE CHOICE WILL MARK BRAINLIEST
What was Ernest Rutherford's contribution to our understanding of atomic structure?

He discovered the electron.
He discovered the existence of a center to the atom.
He discovered the neutron.
He discovered the mass of the electron.

Answers

Answer:

Ernest Rutherford discovered the existence of a center of the atom.

Explanation:

Answer:

He discovered the existence of a centre to the atom

Explanation:

please mark brainliest

what is an emission spectra

Answers

The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted due to an atom or molecule making a transition from a high energy state to a lower energy state

Read the water level with the correct number of significant figures.
1) 5 mL
2) 5.3 mL
3) 5.32 mL
4) 5.320 mL
5) 5.3200 mL

Answers

Answer:

the answereis is 5 ml

Explanation:

hope thhis helped.

the endomembrane system and the ribosome work together is called what function

Answers

Answer:

During protein synthesis, ribosomes assemble amino acids into proteins. Before we discuss the endomembrane system, it's essential to have an understanding of ribosomes. Ribosomes are the cellular structures responsible for protein synthesis

i think this might help

Explanation:

What property of an element does the group number identify in a numbering
system that uses "A" and "B"?
A. The number of core electrons
B. The number of inner electrons
C. The number of valence electrons
D. The electrons closest to the nucleus

Answers

Answer:

C) the number of valence electrons

Explanation:

the group shows the valence electrons in the atom

eg. Na has one valence electron hence it belongs to group(I)

What is 13.48 cm + 7.6 cm, rounded to the correct number of
significant figures?

Answers

─── ∙ ~εïз~ ∙ ───
answer: 21.1 cm

Electrons don't go around the nucleus in nice
little round circular paths, but are found in
regions called

Answers

Answer:

Orbitals

Explanation:

An orbital is a region in space where there is a high probability of finding an electron. An orbital is a probability function put forward by the wave mechanical model of the atom.

The wave mechanical model derives its principles from the Heisenberg uncertainty principle and the principle of wave particle duality.

Since we can not describe the momentum or position of the electron at any time with certainty, an orbital is a probability function that describes the region in space where the electron may be found around the nucleus.

Why is it more convenient to wear light-colored clothing than dark-colored clothing during
hot days?​

Answers

Answer:

because dark colors attract heat so if your clothes are light you won't be as hot as if you were wearing dark colors.

Answer:

bc dark colored clothing attracts heat

What sort of reaction would feel warm to the person holdi

Answers

I can’t see the picture ???....

The mass of an unidentified rock is 40 grams. Students determine the volume of the rock by placing the rock in a cylinder with water. The students calculate the density of the rock. They determine the identity of the rock based on the density ranges in the table.

Answers

Answer:

A. Coal

Explanation:

[tex] Volume_{rock} [/tex] = water displaced by rock

Water displaced by rock = volume of water after rock is dropped into the cylinder - volume of water before the rock was dropped into the water

Water displaced by the rock = 180 ml - 150 ml = 30 ml

[tex] Volume_{rock} = 30 ml [/tex]

Density of rock:

40 grams => 30 ml

x grams => 1 ml

Cross multiply

1*40 = 30*x

40 = 30x

40/30 = 30x/30

1.3 = x

Density of rock = 1.3 g per 1 ml

Recall: 1 ml = 1 cm³

Therefore,

Density of the rock = 1.3 g/cm³

1.3 g/cm³ falls within the range of 1.1 - 1.4 g/cm³

Therefore, the rock is identified as Coal.

As particles in a convection current are heated up, what happens to their speed and density?
A.) Particles speed up and get closer together, making their more dense.
B.) Particles speed up and spread out, making them less dense.
C.) Particles slow down and spread out, making them less dense.
D.) Particles slow down and get closer together, making them less dense.

Answers

Answer:

As they rise, they transfer their thermal energy to other particles of the fluid and cool off in the process. With less energy, the particles move more slowly, have fewer collisions, and move closer together. This increases their density, so they sink back down through the fluid

Explanation:

which system of the human body has a function similar to that of a vacuole inside a cell

Answers

Answer:

The stomach.

Explanation:

The vacuole is like the stomach because it stores food and water for later use. This allows the body and or cell to get energy when needed.

Pick the odd one out from the following.
Milk, Butter, Smoke , Carbon dioxide
1.Milk
2.Carbon dioxide
3. Smoke
4.Butter
plz answered fast

Answers

Answer:

Smoke

Explanation:

All of those listed are under the group of matter, except for smoke, making it the odd one one.

The rough definition of matter means that it occupies space, but smoke does not.

There are 3 main groups, Solid, Liquid and Gas.

Milk is classified under liquid.

Carbon Dioxide is classified under gas.

Butter is classified under solid.

Since you cannot classify smoke under any of the 3 categories, it is the odd one out.

For ___, 2 lobes have positive signs while the other 2 have negative signs, showing that the opposite lobes of have same sign.​

Answers

Answer:d orbitals

Explanation: just trustme

Orbitals are defined as the mathematical function used to identify the probability of an electron of an atom in a specific region. The orbitals are s, p, d, and f.

The correct statement for the given blank is:

For d orbitals, 2 lobes have positive signs while the other 2 have negative signs, showing that the opposite lobes have the same sign.​

D-orbitals have 5 lobes, in which two lobes have positive signs and 2 lobes have negative signs.

The orbitals have positive and negative signs, as they represent the positive displacement of the wave, whereas negative displacement (down) of the wave is represented by the negative sign.

Therefore, the correct answer is d-orbitals.

To know more about orbitals, refer to the following link:

https://brainly.com/question/18914648

Nuclear symbol notation for hydrogen-1

Answers

Answer:

1H, 2H, and 3H.

Explanation:

This is how zirconium appears in the periodic table.

A purple box has Z r at the center and 40 above. Below it says zirconium and below that 91.22.

Rounded to the nearest whole number, how many electrons are in an atom of zirconium?

40
51
91
131

Answers

Answer:

40

Explanation:

I got a 100 on my quiz edg 2020 :)

Answer:

the answer is 40

Explanation:

i took the quiz

What are some different ways large or small distance can be measured?

Answers

Answer:

The method used for measuring the small distance is by using the scales and the distance measured over long distance is by inch tape or measuring tape.

Explanation:

Radar, the parallax method, and the triangulation method are used to calculate very long distances. Small distances are measured in centimeters and millimeters.

What are different ways of large or small measurement?

Length is measured in distance. For instance, the length of a road equals its distance. The most popular units of measurement for distance in the metric system are millimeters, centimeters, meters, and kilometers.

The various ways that length, distance, or range can be measured are referred to as length, distance, or range measurement (ranging).

The rulers, transit-time methods, and interferometer methods based on the speed of light are the methods that are most frequently used.

Calipers and micrometers are used for making small, accurate measurements.

Therefore, different ways large or small distance can be measured.

Learn more about measure here:

https://brainly.com/question/28500284

#SPJ2

What are four ways to measure matter?

Weight, matter, density, volume

Density, atoms, viscosity, hight

Weight, mass, volume, density

Nucleus, neutron, electron, positive

Answers

Answer:

C

The answer is C pleaaaaaaase

How do particles move without energy from areas of higher concentration to areas of lower concentration?

A. by transportation
B. by osmosis only
C. by passive transport
D. by active transport

Answers

Answer:B

Explanation:

What do you think or know about atoms?

Answers

Answer:

atoms I personally think and somewhat know that they are what mostly makes up everything and everyone but an interesting fact scientists say atoms can not touch

how does a study of a lion’s retina would provide evidence for lions not seeing colour

Answers

Answer:

Lions have fewer cones so see less colour but have great night vision especially since their eyes also have a membrane that concentrates weak light back to the retina and their pupils are able to enlarge to an extent much bigger than ours.

Hope this helps you out!

:)

J.J. Thomson discovered what part of the atom using a cathode ray tube (CRT?

Answers

J.J. Thomson's experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. Thomson proposed the plum pudding model of the atom, which had negatively-charged electrons embedded within a positively-charged "soup."

Which behavior is both territorial and used for courtship? (1 point)​

Answers

Answer:

Display behavior or engaging in physical combats with other males

Explanation:

The behavior that both territorial and used for courtship is engaging in physical combats with other males because the male display and engage in physical combats with other males in order to attracts females as their mating partner or for courtship and also the male do this so as to secure their territories from Intruders and others taking over their own found territories. This normally occur in male lizards. The male like lizards have variants color on their skin, they display to attracts females and also to secure their territory.

Which is the best way to determine if an object is made of pure gold?

Answers

Answer:

Acid?

Explanation:

Other Questions
Which of the following is NOT an example of new opportunities for women in the late 1800s?a.Women formed clubs that promoted reforms.b.Women entered the new profession of social work.c.Women won the right to vote in most states.d.Women became lawyers and doctors. whats 2+34233-2943+291*45=what the anwser?????????????? 8-9 tpe when m=2,0-2,07 Im very stupid........ -10 = -b/4solve for b, show steps please Which equation has the correct sign on the product?A. 27(-5) = -135B. (-4)(-4) = -16C. (-61)(3) = 183D. 22.4 = -88 A substance that speeds up the rate of a chemical reaction is called You are researching the average emails received per day. You want to know how many employees you should survey if you want to know, at a 90% confidence level, that the sample mean emails per day is within 47 emails of the true mean emails per day. From above, we know that the population standard deviation is 155, and z-value is 1.645$_ How did the Supreme Court's decision in Scott v. Sandford affect the issue of slavery in the UnitedStates? Select the two correct answers.A. It decided the issue in favor of slavery permanentlyB. It invalidated the Missouri CompromiseC. It put the issue of slavery into the hands of voters in each new territory If x represents a number, write an expression that represents a number 10 greater than x anyone know the answers? Who claimed the territory represented by the ORANGE color? a. Spain b. France c. Great Britain d. Native Americans Who discovered that exposing certain silver compounds to light altered their appearance? a Louis Daguerre b Johann Heinrich Schultz c Henry Fox Talbot d Alhazen give me the if, then statement to the picture below.I NEED HELP ASAPPPP Somebody plz help answer only questions 1 and 2 thanks!(Will mark as brainliest if correct):D "Either" and "neither" are treated as singular,TrueFalse What value of x makes this equation true?5(x + 4) = 3x + 28A. 4B. 6C.12D. 24 Mr. Ratchett, an elderly American, was found murdered in his train compartment on the Orient Express at 7 AM. When his body was discovered, the famous detective Hercule Poirot noted that Ratchett had a body temperature of 28 degrees. The body had cooled to a temperature of 27 degrees one hour later. If the normal temperature of a human being is 37 degrees and the air temperature in the train is 22 degrees, estimate the time of Ratchett's death using Newton's Law of Cooling. A single atom of an element has 11 protons, 11 electrons, and 12 neutrons. Which element is it?VNaMg Se Why was the national government unable to settle legal disputes between the states under the Articles of Confederation? (33d) A. The United States did not have a chief executive. B. The United States did not have a national court system. C. The United States did not have a national legislature. D. The United States did not have a strong military.