WorksheetsAtomic Structure
Total questions: 12
Worksheet time: 7mins
What is the relative charge of a proton?
+1
-1
0
+2
The approximate relative mass of an electron is:
1
1/1840
0
-1
Which subatomic particle has no charge?
Proton
Electron
Neutron
The nucleus of an atom contains:
(Select all that apply)
Protons
Neutrons
Electrons
Electrons in an atom are arranged in:
A single layer
The nucleus
Shells or energy levels
The proton number of an element indicates
(Select all that apply)
The number of neutrons
The number of protons
The number of electrons of the atom
The sum of protons and neutrons
The nucleon number is also known as:
Atomic number
Mass number
Electron number
Charge number
Which of the following is true about the mass of subatomic particles?
Proton ≈ Neutron > Electron
Proton > Neutron > Electron
Electron > Proton > Neutron
Neutron > Proton > Electron
Which of the following best describes the structure of an atom? (Select all that apply)
Protons and neutrons in the nucleus
Electrons in shells around the nucleus
Neutrons in shells around the nucleus
Protons orbiting the nucleus
In a neutral atom, which of the following is always true?
Number of neutrons = Number of electrons
Number of protons = Number of electrons
Number of protons = Number of neutrons
Number of protons > Number of electrons
Which of the following statement(s) about atomic structure is false?
The nucleus contains most of the atom's mass
Electrons have negligible mass compared to protons
The nucleus is negatively charged
Neutrons and protons have approximately the same mass
Ions
Nucleus
