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Worksheets2022 Yr 9 Chem L13b start quiz
Total questions: 12
Worksheet time: 17mins
Name
Class
Date
1.
How many valence electrons does a bromine atom have?
a)
1
b)
2
c)
6
d)
7
2.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom
3.
Cations are...
a)
Positive
b)
Negative
c)
Neutral
d)
Purring
4.
When an atom gains a valence electron, it becomes a(n) _____________ ion.
a)
positive
b)
negative
c)
neutral
5.
If my charge becomes 2+ what does that say about me?
a)
I am stealing 2 electrons
b)
I am losing 2 electrons
c)
I am in period 2
d)
I have an atomic # of 2
6.
What is the charge of a sodium ion?
a)
2+
b)
1+
c)
1-
d)
2-
7.
What charge will an oxygen ion have?
(hint: draw the electron configuration)
a)
1+
b)
1-
c)
2+
d)
2-
8.
Which is the correct formula for sodium chloride?
a)
SoCl
b)
SdCl
c)
NaCl
d)
NaCl2
9.
Which is the correct name for AgF?
a)
silver fluoride
b)
silver fluorine
c)
monosilver monofluoride
d)
silver monofluorine
10.
What is the formula for aluminum fluoride?
a)
AlF
b)
Al2F3
c)
AlF3
d)
Al3F2
11.
Which is the correct formula for the compound: Calcium Oxide
a)
CaO
b)
CaO2
c)
Ca2O
12.
The chemical formula for the ionic compound made from potassium and oxygen atoms is
a)
KO.
b)
K2O.
c)
K2O2.
d)
KO2.
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