WorksheetsATOMS, IONS, AND ISOTOPES
Total questions: 16
Worksheet time: 12mins
What charge does an atom have when it GAINS electrons?
Positive
Negative
Neutral
What is a representation of an ion?
Li
Na-22
O-2
What is the mass number of bromine?
35
45
80
79.904
How many neutrons does this bromine atom have?
35
45
80
What type of atom is this?
Neutral atom
Cation
Anion
Isotope
What two particles determine the mass number?
Protons and electrons
Electrons and neutrons
Protons and neutrons
What type of atom is this?
Normal Atom
Cation
Anion
Isotope
What is the mass number of this Neon atom?
10
11
21
20
How many electrons does this magnesium ion have?
24
12
10
14
What does it change in an ion?
The number of electrons
The number of protons
The number of neutrons
What is the representation of an isotope?
N-3
Al+3
Si
P-33
How many neutrons does this Neon atom have?
21
11
10
12
What does it happen to this atom?
It LOSES electrons
It GAINS electrons
It GAINS protons
It LOSES protons
What is the atomic number of this element?
12
24
23
What type of atom is element C?
Normal atom
Ion
Isotope
What is the mass number of this element?
12
24
23
11
