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Chapter 2 Terms

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Total cards: 19•Content version: v3•Public deck•Updated: 8/1/2026

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#1
Front (Question)

anything that takes up space and has mass.

Back (Answer)

Matter

#2
Front (Question)

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).

Back (Answer)

Atom

#3
Front (Question)

Back (Answer)

Proton

#4
Front (Question)

Back (Answer)

Neutron

#5
Front (Question)

Back (Answer)

Electron

#6
Front (Question)

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

Back (Answer)

Element

#7
Front (Question)

the number of protons in the nucleus of an atom.

Back (Answer)

Atomic Number

#8
Front (Question)

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

Back (Answer)

Atomic Mass/Weight

#9
Front (Question)

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

Back (Answer)

Isotope

#10
Front (Question)

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

Back (Answer)

Radioisotope

#11
Front (Question)

a molecule that contains two or more different elements.

Back (Answer)

Compound

#12
Front (Question)

Back (Answer)

Chemical Bond

#13
Front (Question)

Back (Answer)

Covalent Bond

#14
Front (Question)

Back (Answer)

Molecule

#15
Front (Question)

Back (Answer)

Ionic Bond

#16
Front (Question)

Back (Answer)

Anion

#17
Front (Question)

Back (Answer)

Cation

#18
Front (Question)

Back (Answer)

Electrolyte

#19
Front (Question)

Back (Answer)

Salt