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Chem

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

Matter

Back (Answer)

anything that takes up space and has mass; is made up of elements

#2
Front (Question)

Element

Back (Answer)

substance that cannot be broken down to other substances by chemical reactions; pure

#3
Front (Question)

Compound

Back (Answer)

a substance consisting of 2 or more elements in a fixed ratio

#4
Front (Question)

1 ______ charge in a proton

Back (Answer)

positive +

#5
Front (Question)

electrons fly in _______

Back (Answer)

orbitals around the nucleus

#6
Front (Question)

1 ______ charge in electrons

Back (Answer)

negative -

#7
Front (Question)

Neutron

Back (Answer)

no charge (0)

#8
Front (Question)

of electrons should _____ # of protons

Back (Answer)

equal

#9
Front (Question)

if not equal, atom is a _____

Back (Answer)

charged ion

#10
Front (Question)

Atomic number

Back (Answer)

number of protons

#11
Front (Question)

Atomic mass

Back (Answer)

aprox sum of protons + neutrons

#12
Front (Question)

Electrons live in _____

Back (Answer)

orbitals (max of 2 e- per orbital)

#13
Front (Question)

Electron shells fill _______ to ________

Back (Answer)

closest to the farthest

#14
Front (Question)

Valence Electrons

Back (Answer)

outermost shell

#15
Front (Question)

Single valence electron makes them

Back (Answer)

reactive (give up e-)

#16
Front (Question)

In the middle

Back (Answer)

shares e-

#17
Front (Question)

Shell almost full

Back (Answer)

(steal an e-)

#18
Front (Question)

2 ways to fill a shell with atoms

Back (Answer)

• Form covalent bonds (share electrons) • Form ions (gain or lose electrons)

#19
Front (Question)

Forming ions

Back (Answer)

electrons transferred from one atom to another, resulting in + or - charged ions

#20
Front (Question)

Ionic bonding

Back (Answer)

attraction between opposite fully charged ions is an ionic bond

#21
Front (Question)

Covalent bonds

Back (Answer)

pair of electrons shared by 2 atoms

#22
Front (Question)

Molecule

Back (Answer)

2 or more atoms joined by covalent bonds

#23
Front (Question)

Polar Covalent bond

Back (Answer)

electrons not shared equally, so partial charges exist

#24
Front (Question)

Nonpolar Covalent bond

Back (Answer)

electrons shared equally