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WorksheetsAtomic Structure
Total questions: 20
Worksheet time: 10mins
Subatomic particles with a negative charge
Electrons
Neutrons
Protons
Quarks
When you have two atoms with different masses, Carbon-12 and Carbon-13 for example, what type of atom do you have?
Neutral atom
Ion
Isotope
When you have two isotopes of an atom, Carbon-12 and Carbon-13 for example, what has changed in the atomic structure?
Number of protons
Number of neutrons
Number of electrons
Which of the following is correct?
Protons are positive, electrons are negative, neutrons are neutral.
Protons are neutral, electrons are negative, neutrons are positive
Protons are negative, electrons are positive, neutrons are neutral
Protons are positive, electrons are neutral, neutrons are negative
What is the atomic number?
the number of protons in the nucleus
the number of protons and neutrons in the nucleus
the number of neutrons in the nucleus
the number of protons in the energy levels
What is the mass number?
the number of protons in the nucleus
the number of protons and neutrons in the nucleus
the number of neutrons in the nucleus
the number of protons and electrons in the atom
What is the atomic number of this atom?
1
3
4
7
What is the mass number of this atom?
1
3
4
7
