WorksheetsThe Quiz
Total questions: 11
Worksheet time: 10mins
An outermost electron of an atom that participates in chemical bonding is a...?
(a)
Atoms with eight valence electrons are...?
chemically stable
chemically unreactive
easily bond with other atoms
easily form compounds
What two atoms only have one energy level?
carbon
hydrogen
neon
helium
Atoms of a _______ molecule share their valence electrons equally
polar
nonpolar
water
unreactive
What are some properties of a covalent compound?
extremely reactive
poor conductors of thermal energy and electricity
low melting points
low boiling points
T of F: A chemical reaction formed when a molecule loses a pair of valence electrons is called a covalent bond
True
False
What are some properties of ionic compounds
usually liquids at room temperature
high melting & boiling points
dissolve in water
bad conductors of electricity
T or F: When nonmetal ions bond to metal ions in an ionic compound, there are no molecules
False
True
What is a metallic bond?
a bond formed when many metal atoms share their pooled valence electrons
attraction btwn positively and negatively charged ions in an ionic compound
a bond formed when two atoms lose one or more pairs of valence electrons
an attraction between nonmetals and metals
What are properties of metallic compounds?
easily conduct an electric charge
good conductors of thermal energy & electricity
shiny
liquids at room temp
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