Chemistry High School

can someone just help me?? I'm literally so confused on this. this is on electron configuration. the teacher tried to explain to me multiple times but i still don't understand ​

Can Someone Just Help Me?? I'm Literally So Confused On This. This Is On Electron Configuration. The

Answers

Answer 1

Answer:

you have to fill each boxes with upwards arrow first (↑) and followed by downwards arrow (↓) according to each element's atomic number

Related Questions

What is the percent error if the measured value is 30.0 g and
the accepted value is 32.0 g?

Answers

Answer:6.25

Explanation:

Answer:

6.25

Explanation:

If you had an object with a density of 1.12 g/cm2, would it sink or float in a container of salt water that has a density of 1.35 g/ml?
a -sink
b-float

Answers

It would sink because it’s heavy

The object will float on the salt water.

We have an object of density 1.12 g/cm³.

We have to determine whether it will sink or float in salt water of given density.

How many milliliter are their in 1 cm³ ?

In 1 cm³ there are 1 ml

According to the question -

Density of object = ρ(O) = 1.12 g/cm³.

Density of salt water = ρ(S) = 1.35 g/ml = 1.35 g/cm³.

For the object to sink its density should be greater than that of the salt water. Mathematically -

ρ(O) > ρ(S) → Object will sink.

ρ(O) < ρ(S) → Object will float.

Now, it can be seen that -

ρ(O = 1.12) < ρ(S = 1.35)

Therefore, the object will float on the salt water.

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Identify the independent and dependent variables in the following experiment: A scientist grew bacteria on the gel in her lab. She wanted to find out if the bacteria would grow faster on gel A or gel B. She placed a few bacteria on gel A and a few on gel B. After 24 hours, she observed how many bacteria were present on each type of gel.

Answers

The dependent was before she started changing them and the independent variable is the process of them changing.

The independent variable is the type of gel, the dependent variable is the growth rate of the bacteria.

Dependent variables and independent variables are terms used in mathematics, statistics, and other experimental sciences. Each of them is characterized by:

Dependent variable: Its value is the result of a series of variable conditions that are modified on purpose.Independent variable: These are variables that are modified on purpose to show a phenomenon and obtain a result in a dependent variable.

According to the above, in the situation presented, the independent variable is the type of gel because two types of gel are used, to obtain different results according to the characteristics of each gel.

Additionally, the dependent variable of this experiment is the growth rate of the bacteria under different conditions (gel A and gel B).

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Give the electronegativity for the following elements of LI

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Answer:

0.98

Explanation:

1. Compare an element, compound and mixture.

Answers

Answer:

An element contains just one type of atom. A compound contains two or more different atoms joined together. A mixture contains two or more different substances that are only physically joined together, not chemically. A mixture can contain both elements and compounds.

Explanation:

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What trend does the atomic radius follow along a period on the periodic
table?
O A. The atomic radius gets smaller the farther right it appears on the
periodic table.
O B. The atomic radius stays constant across the periodic table.
O C. The atomic radius increases as the number of protons increases
across the table.
O D. The atomic radius gets larger the farther right it appears on the
periodic table.

Answers

A: the atomic radius gets smaller the farther right it appears on the periodic table

Madison was reading about force in her science textbook and came across a lab that she wanted to do. Madison took detailed notes of the lab produce to use the next day what specific process is Madison demonstrating by conducting the experiment

Answers

Answer:

what i dont understand the question

Explanation:

ASAP MULTIPLE CHOICE WILL MARK BRAINLIEST
Who determined the mass of the electron?

Niels Bohr
Linus Pauling
Robert Millikan
J.J. Thomson

Answers

Answer:

J.J. Thomson

Explanation:

According to my book and wiki, Historically, the mass of the electron was determined directly from combining two measurements. The mass-to-charge ratio of the electron was first estimated by Arthur Schuster in 1890 by measuring the deflection of "cathode rays" due to a known magnetic field in a cathode ray tube. It was seven years later that J. J.

Please correct me if I'm wrong.

Answer:

Robert Millikan

Explanation:

Robert was the true answer

A solid rubber ball with a mass of 5.9 grams sank in water. A hollow rubber ball with the same mass floats in water. Explain why this might be. Please answer ASAP!

Answers

Answer:

The hollow ball is more buoyant than the solid ball.

Explanation:

The hollow ball will float while the solid ball sinks because the volume of water displaced by the hollow ball is more than that displaced by the solid ball.

An object floats when it displaces a volume of water equal to its weight.  A solid ball is more compact, and hence, does not displace a lot of water when dropped into a bowl full of water. On the other hand, the hollow ball will have a larger curved surface area, since it has no fill. This will make it displace a larger volume of water and hence make it float.

The drawing shows an apple falling to the ground. In which of the following three
positions does gravity act on the apple?
Position 1
Position 2
Position 3
A.
B.
C.
D.
2 only
1 and 2 only
1 and 3 only
1, 2 and 3

Answers

Answer:

its 1 and 2

Explanation:

because the 3rd one is alrdy in the ground

Which element is commonly found in meteorites?


carbon


oxygen


iron


hydrogen

Answers

Answer:

Hello!!! Princess Sakura here ^^

Explanation:

The most commonly found element is oxygen.

Answer:

Iron

Explanation:

I took the quiz

Jaden listed the similarities of using coal, natural gas, and petroleum to generate electricity. Coal, natural gas, and petroleum: – use turbines – require heat – convert electrical energy to kinetic energy – produce pollution in the form of smoke Which best describes Jaden’s mistake? Only coal-fired power plants use turbines. Power plants do not require heat. Kinetic energy is converted to electrical energy. Coal does not produce pollution.

Answers

Answer:

The answer is C. Kinetic Energy is converted to electrical energy

Explanation:

Just took the test

Electric energy is converted to kinetic energy is the mistake that Jaden made in this scenario.

What is Energy?

This is defined as the capacity and ability to do work and examples include kinetic, electrical etc.

The kinetic energy through the movement of water by the wind is what powers the turbine to become an electric energy and not electrical energy being converted to kinetic energy.

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What are the important features of a model of Earth's plates?

Answers

Answer:

The main features of plate tectonics are:

Convection currents beneath the plates move the crustal plates in different directions. The source of heat driving the convection currents is radioactivity deep in the Earths mantle.

The important features of earth's plates are seismicity,volcanicity  and tectonic activity along plate margins.

What are plate tectonics?

It is a generally accepted scientific theory which takes into consideration earth's crust to be made up of tectonic plates. These plates move slowly and are moving since 3.4 billion years ago.

The model is developed on the concept of continental drift .Earth's lithosphere is split up in to seven-eight major plates and many minor plates.The position where plates meet their relative motion determines the plate boundary.

Tectonic plates are made up of lithosphere of ocean and thicker continental lithosphere.These plates are able to move because lithosphere has high mechanical strength.Lateral density variations occurring in mantle cause convection.

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Is nickel ferromagnetic How do you know?

Answers

Answer:

please mark brainliest!

Explanation:

The element Nickel (Ni) is one of the few ferromagnetic metals. Ferromagnetic means they are attracted to magnets and can be magnetized themselves. Most metals aren't magnetic with the exception of iron, nickel, cobalt, gadolinium, neodymium and samarium.

Answer: ummmmmm

Explanation:

Describe air using the terms: mixture, atoms, and molecules.

Answers

Answer: Here you go.

Explanation:

The atoms in molecules are joined by covalent bonds. Air is a mixture that contains the elements nitrogen, oxygen and argon, and also the compound carbon .

Hope this helps!

what affects the rate at which acid rain reacts with a statue

Answers

...acid rain can eat away metals, it’ll corrode them, but to affect the rate?? I’m pretty sure some elements can neutralize acid, perhaps slow down its reaction, like limestone for example. A lake lined with limestone will neutralize any acid fallen into the water. But as for a statue, I’m not sure but it must be something similar... sorry I can’t be more of a help :\

The thing that affects the rate at which acid rain reacts with a statue is the concentration of sulfur dioxide and carbon dioxide in the environment.

What is Acid rain?

Acid rain may be defined as a type of precipitation on the surface of the earth that involves a significant amount of acids like nitric acid, sulphuric acid, and carbonic acid due to the heavy concentration of nitrous oxide, carbon dioxide, and sulfur dioxide in the environment.

This high concentration of acids in acid rain generally reacts with metals and corrodes them. They permanently lose the actual shine of marble, statues, buildings, etc.

The concentration of these acids typically affects the rate at which acid rain reacts with a statue. If there is a high concentration, it highly influenced the property of statues.

Therefore, the thing that affects the rate at which acid rain reacts with a statue is the concentration of sulfur dioxide and carbon dioxide in the environment.

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The Sun releases a lot of energy in many different forms. The Earth receives a small portion of this energy but it is enough to help keep the atmospheric temperature from changing too much. Which of the following allows the Sun’s energy to reach the Earth? (SC.7.P.10.1)A. conduction B. convection C. radiation. D. reflection

Answers

C would be my best guess because of ultraviolet radiation

Hope this helps! Good luck :)

I'm having trouble with my wireless headphones that won't turn on at all it's not blinking why? need help asap.....​

Answers

Answer:

Try a hard reset: Press and hold both the power button and the volume button (plus the other 2 as well perhaps) for about 10 seconds and then release. Check if the earphones will then either show that they are charging (with the cable inserted of course) or that they will turn on if the Power button is pressed.                                                                                                                          Explanation:Hope this helped you


What do animals do with the carbon dioxide produced in their cells during cellular respiration?
A Store it for later use.
B Reuse it during photosynthesis.
C Exhale it in the breathing process.
D Combine it with water to make sugar.

Answers

Answer:

c

Explanation:

animals are not plants

Answer:

C Exhale it in the breathing process they release it back

10, What is the Dependent Variable?

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5 because the dividing by 2

Which food molecules are inside the tube

Answers

Answer:

I'm sorry what this question needs more context.

Explanation:

Answer:what are the foods?

Explanation:

Use the drop-down menus to indicate the stage of technological design in which each action would occur.

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Answer:

Use the drop-down menus to indicate the stage of technological design in which each action would occur.

✔ Design a solution.

Establish criteria and prepare the initial design.

✔ Evaluate a solution.

Redesign and retest as necessary.

✔ Identify a problem.

Define a need and research related information.

✔ Implement a solution.

Build and test a prototype.

Explanation:

Took the quiz

Answer:

Design a solution: establish criteria and prepare the initial design.

Evaluate a solution: redesign and retest as necessary.

Identify a problem: define a need and research related information.

Implement a solution: build and test a prototype.

How do particles in the most rigid state of matter move? A. They stay close together and vibrate in place B. They move freely from one place to another within their container C. They stay close together and slip past one another D. They bounce off one another and the slides of their container

Answers

Answer:

A: they stay close together and vibrate in place

Explanation:

assuming the most rigid state would be a solid, thats how particles of a solid move

Answer:

A

Explanation:

particles in the most rigid state (soilds)  vibrate on the spot

each particle is attached to several others so they cant move freely

If we compare and contrast the three liquids seen in the jar, the BEST explanation would be that
A)
water is lighter than oil and syrup.
B)
syrup is the thickest liquid of the three.
oil is the least buoyant of the three liquids.
D)
water is denser than oil but less dense than syrup.

Answers

Answer:

the answer is d

Explanation:

how does one burn coffee

Answers

Answer:

coffee can be burnt

Explanation:

coffee can be burned when brewing. When an empty pot sits on the heating element in a restaurant coffee machine it can get very hot. When the first stream of a new brew cycle hits the bottom of the pot, boils off very quickly, producing a horrible smell and taste that infuses the entire pot.

Calculate the volume in L of 14.25 g of Oz gas at STP.

Answers

14.25g x 1mol/16.00g x 22.4L/1mol = 19.95L

What is 1 item that is a compound?

Give an example of how the 1 item is a compound :D

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Water

Water is a compound because it is made from more than one kind of element (oxygen and hydrogen).

If you were approaching the solar system in a spaceship, you would notice that the Sun

Answers

Answer:

No

Explanation:

Which two physical properties allow a mixture to be separated by chromatography?

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Solubility and molecular polarity

Please Help!!!!! Need by 11:30

Answers

Answer:

D  i think

Explanation:

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