Chem

Question 1

Definitions! What is Matter?

Answer 1

Matter is anything that takes up space.

Question 2

Definitions! What is Physical Property?

Answer 2

Physical Property is a property of matter not involving in its manifestation (chemical change)

Question 3

Definitions! What is Chemical Property?

Answer 3

Chemical Property is a property of a substance relating to its chemical reactivity.

Question 4

Definitions! What is Density?

Answer 4

Density is the amount of mass in a substance per unit volume.

Question 5

Definitions! What is Mass?

Answer 5

Mass is the amount of matter or substance that makes up an object.

Question 6

Definitions! What is Volume?

Answer 6

Volume is the amount of space taken up by a substance.

Question 7

Different Transformation of States

Melting, Evaporation, Condensation, Solidification, Sublimation & Deposition

Answer 7

Melting = Solid to Liquid
Evaporation = Liquid to Gas
Condensation = Gas to Liquid
Solidification = Liquid to Solid
Sublimation = Solid to Gas
Deposition = Gas to Solid

Question 8

What are the 3 states of matter?

Answer 8

Solid, Liquid & Gas

Question 9

What is KMT?

Answer 9

Kinetic molecular theory states that all matter is composed of a large number of small particles, Atoms, that are in constant motion

Question 10

Definitions! What is KMT of Matter?

Answer 10

KMT of Matter is the rules that

1. All matter is made of very small particles, called atoms or molecules
2. There is empty space between particles
3. Particles are constantly moving

Question 11

Comparing states of matter

*Written response

Answer 11

gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern.

Question 12

Difference between Physical & Chemical Change?

*Written response

Answer 12

In physical change the form of the matter changes & in chemical change a new substance forms in a chemical reaction.

Question 13

What is a neutral atom

*Written response

Answer 13

When an atom has an equal number of electrons and protons, it has an equal number of negative (electrons) and positive electric charges (protons). As a result, the atom’s total electric charge is zero, and it is neutral. Therefore, all the elements in the periodic table are neutral atoms.