Chemical Bond & Reactions

Question 1

What type of bond involves the sharing of electrons between atoms?

Answer 1

Covalent bond

Question 2

True or False: Ionic bonds are formed between a metal and a nonmetal.

Answer 2

True

Question 3

What is the force that holds atoms together in a molecule?

Answer 3

Chemical bond

Question 4

What type of bond is formed by the transfer of electrons between atoms?

Answer 4

Ionic bond

Question 5

What is the term for a substance that speeds up a chemical reaction without being consumed in the process?

Answer 5

Catalyst

Question 6

In a chemical equation, what are the starting substance of a reaction

Answer 6

Reactants

Question 7

What is the process by which a solid changes directly into a gas?

Answer 7

Sublimation

Question 8

What is the term for a reaction that absorbs energy from the surroundings?

Answer 8

Endothermic reaction

Question 9

What is the term for a reaction that releases energy to the surroundings?

Answer 9

Exothermic reaction

Question 10

What is the term for the initial energy required to start a chemical reaction?

Answer 10

Activation energy

Question 11

What is the term for a reaction in which two substances combine to form a single product?

Answer 11

Synthesis reaction

Question 12

What is the term for a reaction in which a single compound breaks down into two or more simpler substances?

Answer 12

Decomposition reaction

Question 13

What is the term for a substance that slows down a chemical reaction?

Answer 13

Inhibitor

Question 14

What is the term for the process of breaking down a substance into simpler substances by the action of heat?

Answer 14

Pyrolysis

Question 15

What is the term for a substance that donates a proton in a chemical reaction?

Answer 15

Acid

Question 16

What is the term for a substance that accepts a proton in a chemical reaction?

Answer 16

Base

Question 17

What is the term for a substance that changes color in response to changes in pH?

Answer 17

Indicator

Question 18

Molecule

Answer 18

2 or more atoms share electrons

Question 19

Ion

Answer 19

An atom that has gained or lost electrons and becomes negative or positive charge

Question 20

Cations and Anions

Answer 20

Positive charge & Negative Charge

Question 21

Hydrogen Bond

Answer 21

Water forms polar bonds

Question 22

In a chemical equation, what are the ending substance of a reaction

Answer 22

Product

Question 23

Special proteins to lower energy in tissue, can not tolerate concentrations or heat

Answer 23

Enzymes

Question 24

Catabolism

Answer 24

Break down substances (sugar) in the body

Question 25

Anabolism

Answer 25

Combining substances in the body

Question 26

Use of water to split a substance

Answer 26

Hydrolysis

Question 27

H2O is formed while joining reactants

Answer 27

Dehydration Synthesis

Question 28

Exchange Reactions

Answer 28

Both compounds switch partners