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WorksheetsAtoms, Ions, and Isotopes Quiz
Total questions: 25
Worksheet time: 16mins
What is the atomic number of Hydrogen?
1
2
3
4
Which element is a neutral atom?
H+
Li
N+
CI-
How many protons does Carbon have?
2
3
6
5
What is the atomic mass of Lithium?
6.94
9.0121831
24.305
40.078
Which element is an ion?
H
N
Ca+
Sr
How many neutrons does Beryllium have?
2
5
6
8
What is the symbol for Potassium?
Na
K
Rb
Cs
What is the atomic mass of Francium?
55
87
103
223
What is the atomic number of Oxygen?
6
7
8
9
Which element has the symbol 'Fe'?
Iron
Gold
Silver
Copper
How many neutrons are in the following atom?
47
61
108
155
How many protons are in the following atom?
82
125
207
189
How many neutrons are in the isotope Carbon-14?
6
8
12
14
An ion with a positive charge has __________.
the same number of protons and electrons.
lost a proton.
lost an electron.
gained an electron.
How many electrons does the following ion have?
10
12
14
22
How many electrons does the following ion have?
3
7
10
14
Which of the following describes a positive ion?
10 protons, 12 electrons
12 protons, 10 electrons
12 protons, 12 electrons
Atoms of the same element with a different number of neutrons are called _________.
elements
isotopes
ions
neutral
Which of the following describes a negative ion?
8 protons, 8 neutrons, 8 electrons
8 protons, 8 neutrons, 10 electrons
8 protons, 10 neutrons, 8 electrons
8 protons, 8 neutrons, 6 electrons
What is the purpose of the neutrons?
Identifies the element.
Holds the nucleus together.
Determines reactivity.
Which subatomic particles would repel away from each other?
protons and neutrons
protons and electrons
electrons and electrons
electrons and neutrons
The majority of an atom's mass comes from which particle(s)?
Protons
Protons + electrons
Electrons
Protons + neutrons
Which is true of the following beryllium atom?
4 protons and 9 neutrons
5 neutrons and 4 electrons
9 protons and 4 neutrons
4 protons and 2 electrons
Which is true about the following chlorine atom?
17 protons and 36 neutrons
17 protons and 19 electrons
17 protons and 19 neutrons
36 protons and 17 neutrons
Atomic mass is __________.
a whole number
protons + electrons
the mass found on the periodic table
equal to the mass number of the most common isotope
