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WorksheetsQ1 Benchmark Review - Chemistry 1
Total questions: 15
Worksheet time: 9mins
What is the weighted average of all isotopes of an atom?
isotope number
atomic number
mass number
atomic mass
In the isotope symbol what is the mass number?
6
13
7
12
Which subatomic particles contribute to the mass of an atom?
protons only
protons and electrons
electrons only
protons and neutrons
Uranium-238 has how many protons, neutrons, and electrons?
238 protons, 238 neutrons, 238 electrons
92 protons, 146 neutrons, 92 electrons
92 protons, 238 neutrons, 92 electrons
146 protons, 92 neutrons, 146 electrons
The alkaline earth metals are in group ____.
1A
7A
2A
3A
The alkali metals are in group ____.
1A
7A
2A
3A
The halogens are in group ____.
1A
7A
2A
3A
groups/families are ______ on the periodic table
columns
rows
series are ______ on the periodic table
columns
rows
Which family will have a +1 charge on an ion?
2A
7A
3A
1A
Which family will have a -2 charge on an ion?
2A
6A
5A
7A
This is the electron notation of ___.
Ga
Ca
K
Al
How many valence electrons are in group 2A?
1
2
3
4
What is the name of the ion formed by nitrogen?
Nitrogen ion
Nitride
What charge is the nitrogen ion?
+3
+5
-5
-3
