2-1,2-2

Question 1

Atom

Answer 1

Something that cannot be broken down

Question 2

Nucleus

Answer 2

The center of the atom

Question 3

Electron

Answer 3

Negatively charged atom

Question 4

Element

Answer 4

A pure substance that consists entirely of one type of atom

Question 5

Isotopes

Answer 5

Atoms of the same element that differ in the number of neutrons they contain

Question 6

Compound

Answer 6

A substance formed by the chemical combination of 2 or more elements in definite proportions

Question 7

Ionic bond

Answer 7

Formed when one or more electrons are transferred from one atom to another

Question 8

Ions

Answer 8

Positively and negatively charged atoms

Question 9

Covalent bond

Answer 9

Forms when electrons are shared between atoms

Question 10

Molecule

Answer 10

The smallest unit of most compounds

Question 11

Cohesion

Answer 11

Attraction between molecules of the same substance

Question 12

Adhesion

Answer 12

An attraction between molecules of different substances

Question 13

Solute

Answer 13

Substance that is dissolved

Question 14

Solvent

Answer 14

Substance in which the solute dissolves

Question 15

Solvent

Answer 15

The

Question 16

Carbon forms

Answer 16

4 bonds

Question 17

Skeletons may be

Answer 17

Unbranched or branched

Question 18

Isomers have the

Answer 18

Same formula different arrangement of atoms

Question 19

Skeletons may be arranged in

Answer 19

Rings

Question 20

Atomic number =

Answer 20

Number of protons in nucleus

Question 21

Atomic mass=

Answer 21

Number of protons + neutrons

Question 22

Atoms

Answer 22

Give, take, or share electrons

Question 23

3 types of bonds

Answer 23

Ionic
Covalent
Hydrogen

Question 24

Ion

Answer 24

Atom or molecule with a positive or negative electrical charge