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WorksheetsIsotopes and Ions Practice
Total questions: 23
Worksheet time: 35mins
An atom with 2 protons, 3 neutrons, and 4 electrons has a charge of ____.
+2
-2
+3
0
What is the center of the atom called?
(a)
Which subatomic particle has a +1 charge?
(a)
Which subatomic particle has no charge (neutral)?
(a)
What charge do electrons have?
+1
0
-1
What particles are in the nucleus?
Protons
Neutrons
Electrons
Nucleus
Which particle is outside the nucleus?
Protons
Neutrons
Electrons
Nucleus
Which two particles have mass?
Protons
Neutrons
Electrons
Nucleus
76 protons and 114 neutrons
Osmium-114
Osmium-76
Osmium-190
Osmium-190.23
A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?
Br-1
Br+1
Br+7
Br-7
How many protons, neutrons, and electrons?
proton = 6, neutron = 4, electron = 1
proton = 4, neutron = 4, electron = 5
proton = 1, neutron = 6, electron = 10
proton = 4, neutron = 2, electron = 3
If a Magnesium atom loses 2 electrons what will be its’ charge?
0
+2
-2
12
How would you write a Sulfur that has gained 2 electrons?
S+2
S-2
S+6
S-6
