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AChem - Unit 7 - Vocabulary

Chemistry

KG - University

Used 4+ times

AChem - Unit 7 - Vocabulary
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26 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Gives the actual number of atoms of each element in a molecule of a compound.

structural formula
molecular formula
nonpolar covalent bond
formula unit

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Molecule or a part of a molecule that contains both positively and negatively charged regions.

nonpolar covalent bond
valence electrons
dipole
polyatomic ion

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons.

octet rule
VSEPR
electron dot structure
diatomic molecule

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A bond formed when two atoms share a pair of electrons.

double covalent bond
triple covalent bond
ionic bond
single covalent bond

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bond formed by a transfer of one or more electrons from a metal to a nonmetal.

covalent bond
ionic bond
nonpolar covalent bond
polar covalent bond

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A bond angle of 109.5 degrees that results when a central atom forms four bonds directed toward the center of a regular tetrahedron.

trigonal planar angle
tetrahedral angle
VSEPR angle
linear bond angle

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A pair of valence electrons that is not shared between atoms.

valence electrons
polyatomic ion
resonance structure
unshared pair

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