Chapter 2 Terms Flashcards Preview

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Flashcards in Chapter 2 Terms Deck (19):
1

anything that takes up space and has mass.

 

 

Matter

2

a unit of matter that cannot be further broken down by chemical means; it is composed of subatomic particles, which protons (positively charged paricles) neutrons (with no charge), and electrons (with negative charges).

Atom

3

Proton

4

Neutron

5

Electron

6

any substance that cannot be broken down into simpler substances by ordinary chemical means.

Element

7

the number of protons in the nucleus of an atom.

Atomic Number

8

any atom equals the number of protons plus the number of neutrons

Atomic Mass/Weight

9

atoms that have the same number of protons but different numbers of neutrons.

Isotope

10

isotopes that are unstable and spontaneously decay, emmitting radiation in the form of gamma rays and alpha and beta particles.

Radioisotope

11

a molecule that contains two or more different elements.

Compound

12

Chemical Bond

13

Covalent Bond

14

Molecule

15

Ionic Bond

16

Anion

17

Cation

18

Electrolyte

19

Salt