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Ionic or Covalent?

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Given a chemical formula, the student will choose whether it has ionic or covalent bonds. There are a few basic periodic table information.

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Questions 20

Answers

1
H₂O
ionic
covalent
2
MgO
ionic
covalent
3
the elements on the periodic table have the following charge -
neutral
negative
positive
ions
4
NO₂
ionic
covalent
5
K₂O
covalent
ionic
6
A covalent bond is between a
metal and metal
ions
non-metal and non-metal
metal and non-metal
7
LiBr
ionic
covalent
8
If an element gained or lost a proton, it
would become an ion
would become positive
would become a new element
would become negative
9
FeCl₃
covalent
ionic
10
KI
covalent
ionic
11
CH₄
covalent
ionic
12
SO₃
ionic
covalent
13
An ionic bond is between a
non-metal and non-metal
metal and metal
metal and non-metal
14
HCl
covalent
ionic
15
When an element loses or gains an electron, they are called
neutrons
positive
ions
negative
16
CO₂
covalent
ionic
17
NaF
ionic
covalent
18
Metals lose their electrons and become what charge?
neutral
negative (-)
positive (+)
ions
19
CaCL₂
covalent
ionic
20
Non-metals like to gain electrons and become what charge?
Positive (+)
ions
Negative (-)
Neutral