Chapter 2

Question 0

Compound

Answer 0

A substance made of atoms of different stoms bonded together

Question 1

Element

Answer 1

One particular type of atom and it cannot be Broken Down into a simpler substance

Question 2

Ionic bond

Answer 2

Forms through the electrical force between opposites charged atoms

Question 3

Covalent bond

Answer 3

Forms when atoms share a pair of electrons

Question 4

Hydrogen bond

Answer 4

An attraction between slightly positive hydrogen atom snd a slightly negative atom

Question 5

Carbon

Answer 5

It is very versatile and found in many things

Question 6

Protein

Answer 6

Enzymes, catalyzes reactions

Question 7

Fat

Answer 7

Storage of energy

Question 8

Nucleic acid

Answer 8

DNA

Question 9

Carbohydrate

Answer 9

Used to make energy

Question 10

Solution

Answer 10

A mixture of substances they is the same throughout

Question 11

Solvent

Answer 11

The substance in a great amount in a solution

Question 12

Solute

Answer 12

A substance that dissolves in the solvent

It determines the solutions concentration

Question 13

Chemical reactions

Answer 13

Change substances into different substances

Question 14

Reactant

Answer 14

The substances changes during a chemical reaction

Question 15

Product

Answer 15

The substances made by a chemical reaction

Question 16

Endothermic

Answer 16

A chemical reaction that requires an input of energy

Question 17

Exothermic

Answer 17

A chemical reaction that has a release of energy in the form of heat

Question 18

Activation energy

Answer 18

Energy input necessary to start a chemical reaction

Question 19

Enzyme

Answer 19

A protein that catalyzes chemical reactions for organisms