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