HELPPPPP
50 points
10. Fill in the blanks in the table below about an atom's subatomic particles.

Answers

Answer 1

A. electron, B. Nucleus

Proton is positive charge, electron is negative charge

proton weight, 1 AMU

Related Questions

Why do you think lone pairs of electrons create greater repulsion when located near other

lone pairs or bonding pairs? Orbitals containing lone pairs of electrons require more space

than orbitals containing bonding pairs. Why do you think this is the case? What does the

presence of one or more lone pairs of electrons do to the bond angles in a molecule (in other

words, do bond angles get larger, smaller, or remain unchanged?)

Answers

When there are lone pairs on the valence shell of the central atom in a molecule, the bond angle is decreased.

The shape of molecules depend on the number of electron pairs on the valence shell of the molecules. These electron pairs could be lone pairs or bond pairs. Lone pairs occupy more space around the central atom since it is attracted to only one nucleus compared to bond pairs which are attracted to two nuclei.

When lone pairs are present on the central atom in a molecule, they tend to "squeeze" the molecule thereby decreasing the bond angle in the molecule. Hence, presence of one or more lone pairs of electrons make the bond angles get smaller.

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Each component retains its own properties in a mixture.

true or false

Answers

Answer:

No it's false actually it's two or more components

Hope it helps :-):-)

Answer:false

Explanation:

What is the process called when oxygen is mixed with another compound or element?

Answers

Answer:

Combustion

Explanation:

The process of adding oxygen to anything is called combustion

a noncovalent interaction between two molecules is known as

Answers

The three major types of intermolecular interactions are dipole–dipole interactions, London dispersion forces (these two are often referred to collectively as van der Waals forces), and hydrogen bonds.

A non-covalent interactions between molecules are van der Waal's forces and hydrogen bonds.

What are non-covalent interactions?

Non-covalent interaction is an interaction which does not involve sharing of electrons and in this aspect it differs from covalent bond.It rather involves dispersed variations of electromagnetic interactions which are present between the molecules or within the molecule.

The energy released during the formation of these interactions is of the order of 1-5 kcal .They are classified as electrostatic, pi effects , van der waals forces and hydrophobic effects.

They are important in maintaining the three dimensional structure of large molecules such as proteins ,nucleic acids ,etc.They are also involved in biological processes . They heavily influence drug design process and design of materials.

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which molecules are required for the citric acid cycle to fully oxidize the carbons donated by acetyl coa?

Answers

Explanation:

At the start of the citric acid cycle, a molecule of oxaloacetate accepts a two-carbon acetyl group from acetyl CoA to form citrate. This reaction kicks off the citric acid cycle; thus, oxaloacetate is required for the cycle to take place.

To begin the citric acid cycle, an oxaloacetate molecule accepts a two-carbon acetyl group from acetyl CoA to form citrate. Because this reaction initiates the citric acid cycle, oxaloacetate is required for the cycle to occur.

What is citric acid cycle ?

The Krebs cycle, also known as the citric acid cycle or TCA cycle, is a chain of reactions that occurs in the mitochondria and is used by almost all living cells to produce energy through aerobic respiration. It consumes oxygen and emits water and carbon dioxide as byproducts.

All aerobic organisms use a series of chemical reactions to generate energy by converting acetate derived from carbohydrates, fats, and proteins into carbon dioxide.

The citric acid cycle involves the attachment of an acetyl group from acetyl CoA to a four-carbon oxaloacetate molecule to form a six-carbon citrate molecule.

Thus, Citrate is oxidized in a series of steps, releasing two carbon dioxide molecules for each acetyl group fed into the cycle.

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Answer:

B. Particles of liquid water have more energy than particles of ice.

Explanation:

We can work this out through eliminating the wrong statements.

A. Both liquid water and ice have definite shapes.

This is wrong because, as stated in the question, water is a liquid, and one of the properties of liquids is that they change shape to fit the shape of their container. If it changes shape, it does not have a "definite" shape.

B. Particles of liquid water have more energy than particles of ice.

This is correct, and here is why. There are 3 states of matter: solid, liquid and gas. As you apply heat energy to an object at each state, the particles receive more energy and can move around more (this is kinetic energy). In the case of liquid (water) and solid (ice), particles in solids do not have much energy and stay in rigid formations. They do vibrate slightly, but only on the spot (this is what gives solids "definite" shapes). On the other hand, particles in liquids have more energy than particles in solids, which means that they can move more (more kinetic ENERGY) and do not stay in formations (this is why they do not have "definite" shapes). Therefore, particles in liquids (water) have more energy than particles in solids (ice), and this statement is correct.

C. Liquid water has a lower temperature than ice.

This is wrong because liquids have more energy than solids. As explained earlier, the reason why particles in liquids have more energy is because more HEAT energy has been applied to them. In the same way, solids have less energy because less HEAT energy has been applied to them. Less heat means a lower temperature. (Also you can use common sense for this one, ice feels colder than liquid water, right?)

D. Ice has a definite volume, but liquid water does not.

This is wrong because of the law of conservation of mass. This law states that particles (or matter or volume) cannot be created or destroyed. When ice melts and becomes liquid water, it has not lost volume: the particles have just gained more energy. This question is most likely there to confuse you, because all substances have definite volumes.

I hope this helps!

why concentrated acid is hazardous material

Answers

Answer:

Here's it.

Explanation:

Concentrated acids are very corrosive and dangerous chemicals that are commonly encountered in the laboratory. ... Concentrated acids may be fatal if inhaled; and can cause severe eye and skin burns, severe respiratory and digestive tract burns. Contact with other materials may cause a fire.

Answer:

The more concentrated acid something is the more strength it has.

Explanation:

If it is very strong it could melt a spoon, and burn human flesh, I don't think this needs further explanation.

Which element in the list is the most reactive?

C

Ba

S

Cs

Answers

Answer:

Explanation:

This element is the farthest right, and lowest meaning that the reactivity of it is very high.

1. valence electrons and electronegativity

2. Both reactivity and electronegativity decrease down a group.

3. Electronegativity decreases down a group, and reactivity increases down a group.

4. The number of valence electrons increases from left to right.

5. Cs

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CAN SOMEONE HELP ME TO MY HOMEWORK I GIVE BRAINLIEST PLEASE

direction: LABELS EACH LAYERS USING NUMBER TO SHOW AGE OF ROCKS 1 AS THE OLDEST AND 6 IS TUE YOUNGEST PUT THE NUMBER ON THE CIRCLE PROVIDED IN EACH LAYER

Answers

I believe this is correct! :D

write and balance sodium when it burns in air to form sodium peroxide

Answers

Answer:7.229 grams of oxygen is formed by the complete reaction of 35.23 g of metallic sodium with oxygen at 130–200 °C, a process that generates sodium oxide, which in a separate stage absorbs oxygen: 4 Na + O2 → 2 Na2O. The ozone oxidizes the sodium to form sodium peroxide.

The nucleus of most atoms is composed of which of the following sub-atomic particles?

A. tightly packed protons.
B. tightly packed neutrons.
C. tightly packed protons and neutrons.
D. loosely connected protons and electrons.

Answers

Answer:

C. Tightly packed protons and neutrons

Explanation:

It consists of two sub-atomic particle namely proton and neutron.

This dense nucleus is responsible for most of the mass of atom.

Answer:

C. tightly packed protons and neutrons

Explanation:

The nucleus of an atom is made of protons and neutrons with electrons orbiting the nucleus.

for the sn1 reaction, draw the major organic product, identify the nucleophile, substrate, and leaving group, and determine the rate limiting step.

Answers

C4H9OH is the substrate, Br- is the nucleophile and H2O is the leaving group.

In an SN1 reaction, the rate limiting step is the formation of the carbocation. The carbocation is formed as water which is the leaving group departs. After the leaving group departs, the nucleophile (Br-) attacks to yield the major organic product. The protonation of the -OH group is the first step in the reaction.

It then follows that, C4H9OH is the substrate, Br- is the nucleophile and H2O is the leaving group.

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when a carbohydrate is attached to a phospholipid what is the structure called

Answers

Answer:

Glycolipid

Explanation:

These are called glycolipids.

Glyco comes from the carbohydrate, and is a word relating to sugars, which are a type of carbohydrate

Lipid is a fat/oil, and as you could have guessed, comes from the phospholipid.

Hope I helped! :)

A carbohydrate attached to a phospholipid is called a glycolipid.

What is a glycolipid?

Glycolipids can be described as the complex type lipid containing carbohydrates, fatty acids, and glycerol groups. The glycosidic term is used for any molecule containing one or more monosaccharides bound by glycosidic linkage.

Glycolipids can be also called structural lipids, which are generally found in the extracellular face of the cell membranes. Different types of glycolipid are Cerebroside and ganglioside.

Glycolipids provide energy to cells and help to determine the blood group. The blood group types determine from the oligosaccharides attached to a particular glycolipid on the surface of blood cells.

It assists the immune system of the body by destroying the pathogens in the human body.

A phospholipid is a lipid that is attached to the phosphate group. When the carbohydrate molecules attached to the lipid are known as glycolipid. Glycolipid plays an important role on the cell to cell interaction and cell differentiation.

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Diagrammatic Questions: m. Write the name of the elements of the given nucleus of the atoms.

11 p+
0n⁰

17 p+
18n⁰

5p+
6n⁰

11p+
12n⁰

19p+
20n⁰

Answers

Explanation:

Atomic;

Answer:

volcano is the likely answer

What does it mean when two solid objects take up different spaces?

They have different masses.
They have different volumes.
They have different temperatures.
They have different weights.

Answers

Answer:

I'm pretty sure it's they have different masses. I don't know though

Explanation:

Which of the following statements is correct regarding the speed and velocity of an object? A. An object’s speed is determined by the distance the object traveled and how long it took the object to travel that distance. B. An object’s velocity is determined by the distance the object traveled, how long it took the object to travel that distance and what acceleration the object traveled. C. An object’s velocity is determined by the distance the object traveled and how long it took the object to travel that distance. D. An object’s speed is determined by the distance the object traveled, how long it took the object to travel that distance and what direction the object traveled.

Answers

Answer:

Explanation:

An object’s speed is determined by the distance the object traveled, how long it took the object to travel that distance, and what direction the object traveled. This statement is correct regarding the speed and velocity of an object.

What is velocity ?

The directional speed of an item in motion, as measured by a specific unit of time and viewed from a certain point of reference, is what is referred to as velocity.

Velocity is the pace and direction of an item's movement, whereas speed is the time rate at which an object is travelling along a route.

Constant acceleration and constant velocity are both forms of motion, as you have already read. Because acceleration is the rate at which velocity changes, constant velocity and constant acceleration go hand in hand.

Thus, option D is correct.

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3. What is the energy of a photon that has a frequency of 2.3 x 1014 Hz?

Answers

The energy of a photon that has a frequency of 2.3 x 10¹⁴ Hz is 1.524 × 10-¹⁹J

HOW TO CALCULATE ENERGY OF A PHOTON:

The energy of a photon can be calculated by using the formula as follows:

E = hf

Where;

E = energy of photon (J)

h = Planck's constant (6.626 × 10-³⁴J)

f = frequency of photon (Hz)

According to this question, a photon has a frequency of frequency of 2.3 x 10¹⁴ Hz. The energy of the photon can be calculated as follows:

E = 6.626 × 10-³⁴ × 2.3 × 10¹⁴

E = 15.24 × 10-³⁴+¹⁴

E = 15.24 × 10-²⁰J

E = 1.524 × 10-¹⁹J

Therefore, energy of a photon that has a frequency of 2.3 x 10¹⁴ Hz is 1.524 × 10-¹⁹J

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PLEASE HELP I BEG
Q2 answer in one word
1.two important properties of any sound
2.time taken by a vibrating body to complete one vibration
3. vibration of frequency higher than 20000 Hz

Answers

Answer:

1.Velocity and pitch

2.The unit of vibration is hertz. The number of oscillations of an oscillating body per second is known as frequency. Complete step by step answer: The time taken by a vibrating body to complete one vibration is time period.

3.Frequencies above 20,000 Hz are known as ultrasound.

Give the number of the sample bottle that contains a substance that would be used in
each situation.
1.
Plumbing
5.
Computer chips
2.
Flavoring Food
6.
Edible Cooking Ingredient
3.
Crafts
7.
Edible Cooking Ingredient
For a headache
8.
Edible Cooking Ingredient
to o N O
4.

Answers

B computer chips is the right answer

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HELPPPPP 50 points 10. Fill in the blanks in the table below about an atom's subatomic particles.

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HELPPPPP
50 points
10. Fill in the blanks in the table below about an atom's subatomic particles.