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WorksheetsChemical bonds quiz
Total questions: 15
Worksheet time: 8mins
The atom that contains the fewest electrons is _______.
water
hydrogen
oxygen
helium
When elements form bonds, it changes their ________ properties.
mass
chemical and physical
physical
chemical
Why is potassium iodine added to table salt?
Table salt causes high blood pressure.
Iodine is in the formula for table salt.
It adds to the flavor of salt.
Iodine is an element essential for health.
Compounds that are hydrates contain what ingredient?
nitrogen
water
hydrogen chloride
chlorine
What kind of charge does an ionic compound carry?
unknown
negative
none
positive
The iodine ion I- carries what type of charge?
positive
neutral
negative
both
Binary compounds are composed of _______ atoms.
one
two
four
many
NaCl is the chemical formula for what?
sodium chloride
sodium metal
water
chlorine gas
How many electrons are shared in a double bond?
one
two
one pair
two pairs
For an ion, the oxidation number is ________.
always negative
zero
the same as the charge on the ion
one less than the charge on the ion
In general, noble gases react with _______.
nothing
metals
other noble gases
water
A binary compound made with phosphorus will end with the word ________.
phophate
phosphrous
phosphate
phosphide
When an atom’s outer energy levels are not filled completely, the atom _______.
is a noble gas
is very stable
can gain, lose, or share electrons
cannot form a compound
A polyatomic ion is another name for a _______ ion.
complex
neutral
negative
positive
A complex ion is _______.
only found in compounds
a single atom that has formed an ion
An ion made from a large atom
an ion with more than one atom
