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Review 1.A.1
Test Description: Test Review Objective 1.A.1
Instructions: Answer all questions to get your test result.
1) On the periodic table elements are ordered by increasing
A
none of these
B
atomic number
C
electrons
D
mass
2) Horizontal rows are called _______
A
periods
B
groups
C
valence electrons
3) Vertical columns are called _______
A
periods
B
groups
C
ions
4) Elements are organized in groups because they have ____ properties
A
similar
B
different
5) A nucleus has a _____ charge
A
neutral
B
negative
C
positive
6) A valence electron is...
A
an outer electron
B
an inner electrons
C
close to the nucleus
D
not a real thing
7) How many valence electrons are in Potassium (K)
A
3
B
1
C
none of these
D
2
8) How many valence electrons are on Chlorine (Cl)
A
1
B
2
C
none of these
D
3
9) How many protons does Magnesium (Mg) have?
A
24
B
2
C
none of these
D
12
10) Most elements in the same group have the same _____
A
valence electrons
B
mass
C
neutrons
D
protons
11) Which of the following is a metal?
A
Cl
B
Ca
C
Br
D
F
12) Which of the following is a non-metal?
A
Co
B
C
C
Mg
D
Cu
13) Which of the following does not apply to non-metals
A
mostly gases
B
Conductive
C
Shiny
D
Malleable
14) Which of the following does not apply to metals?
A
Often gases
B
Insulators
C
Dull
D
Conductive
15) Metals tend to ______ valence electrons
A
share
B
lose
C
gain
16) Covalent bonding occurs between
A
metal + non-metals
B
any two elements
C
non-metals
D
metals
17) Ionic bonding occurs between
A
metal + non-metals
B
metals
C
any two elements
D
non-metals
18) What would be the formula for the combination between Na and Cl?
A
NaCl2
B
NaCl
C
Na2Cl
D
Na2Cl2
19) What would the ionic charge on a Cl be?
A
MgCl2
B
Mg2Cl2
C
Mg2Cl
D
MgCl
20) What would be the formula for the combination of Mg and Cl?
A
-1
B
1
C
0
D
+1
*select an answer for all questions
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