WorksheetsAtoms Quiz
Total questions: 15
Worksheet time: 8mins
What is the smallest unit of an element that retains the chemical properties of that element?
molecule
compound
ion
atom
What are the three subatomic particles that make up an atom?
protons, neutrons, and positrons
protons, neutrons, and electrons
electrons, photons, and neutrinos
protons, electrons, and quarks
What is the charge of a proton?
-1
+1
0
+2
What is the charge of a neutron?
1
2
0
-1
What is the atomic number of an element?
The atomic number of an element is the number of protons in the nucleus of an atom.
The atomic number of an element is the number of protons and neutrons in the nucleus of an atom.
The atomic number of an element is the number of electrons in the nucleus of an atom.
The atomic number of an element is the number of neutrons in the nucleus of an atom.
What is the atomic mass of an element?
The atomic mass of an element is the total mass of all the atoms in a sample of that element.
The atomic mass of an element is the number of protons in the nucleus of an atom of that element.
The atomic mass of an element is the mass of the most common isotope of that element.
The atomic mass of an element is the average mass of the atoms in a sample of that element.
What is the symbol for the element with atomic number 1?
Oxygen
Carbon
Hydrogen
Helium
What is the symbol for the element with atomic number 8?
H
C
N
O
Tiny particles that make up matter
atoms
ions
molecules
Which subatomic particle has no charge?
neutron
proton
electron
Which subatomic particle has a positive charge?
proton
neutron
electron
Which subatomic particle has a negative charge?
proton
neutron
electron
Which subatomic particles are found in the nucleus?
protons and electrons
neutrons and electrons
protons and neutrons
Which subatomic particle can be found in levels or shells around the nucleus?
protons
neutrons
electrons
The center of the atom
nucleus
neutron
electron cloud
orbitals
