Naming compounds
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Naming compounds
A.
A compound composed of electrically charged atoms is called a(n) compound.
- octet
- chemically stable
- ionic
- covalent
C.
D.
E.
When beryllium and selenium form an ionic bond, what is the chemical formula of the compound?
- Be2Se2
- BeSe2
- Be2Se
- BeSe
F.
What kinds of elements are found in an ionic compound?
- Two metals
- Three nonmetals
- Three metals and three nonmetals
- One metal and one nonmetal
G.
In chemistry, we describe a compound as
- a pure substance that cannot be broken down into simpler, stabler substances.
- a substance that is made up of two or more atoms that are chemically bonded that can be broken down into simpler, stabler substances.
- the smallest unit of matter that keeps its characteristic chemical identity.
- any substance of any kind, whether it is bonded or not.
H.
An ionic bond is formed between atoms in a compound when
- they share electrons.
- they gain or lose electrons.
- the atoms become ions of the same charge.
- both a and c
I.
What is the name of the compound with the chemical formula CrCl3?
- chromium tetrachloride
- chromium trichloride
- chromium (II) chloride
- chromium (III) chloride
J.
The first part of the name of an inorganic compound is always which of the following choices?
- Metal
- Actinide
- Nonmetal
- Lanthanide
K.
The compound formula for beryllium nitrate is which of the following choices?
- Ba3N2
- Ba(NO3)2
- Be(NO3)2
- Be(NO2)3
L.
The sum of the charges in an ionic compound must equal .
- positive eight
- zero
- negative eight
- positive one