Physical Science Ch 5 Question Preview (ID: 2762)


The Structure Of Matter. TEACHERS: click here for quick copy question ID numbers.

The forces that hold different atoms or ions together are
a) electric currents
b) nuclear forces
c) physical bonds
d) chemical bonds

Each molecule of table sugar C12H22O11 contains
a) 0 atoms of carbon
b) 1 atom of carbon
c) 6 atoms of carbon
d) 12 atoms of carbon

Cases take up a lot of space because gas molecules
a) have weak chemical bonds
b) are not attracted to one another
c) contain very few atoms
d) have a small molar mass

Covalent bonds are formed between
a) ions
b) metal atoms
c) nonmetal atoms
d) compounds

Copper is a good conductor of electricity because its electrons
a) are positively charged
b) can move from atom to atom
c) have a 2- charge
d) are repelled by protons

The name of dinitrogen tetroxide tells you that this compound contains
a) two N atoms and two O atoms
b) four N atoms and two O atoms
c) two N atoms and four O atoms
d) four N atom and four O atoms

When copper combines with oxygen to form copper (II) oxide, the charge of the copper ion is
a) Cu 1+
b) Cu 2+
c) Cu 3+
d) Cu 4+

It is possible for different covalent compounds to have the same emperical formula because empirical formulas represent
a) a total of all ionic bonds
b) only the cations in the compound
c) a model of the compound
d) a ratio of atoms in the compound

How many chemical bonds can carbon form with other atoms?
a) 1
b) 2
c) 3
d) 4

Alkanes are hydrocarbons that contain
a) single covalent bonds only
b) single or double covalent bonds
c) carbon and oxygen only
d) carbon, hydrogen, and oxygen

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