Atomic Structure Quiz

What are atoms primarily made up of?

• Cells

• Molecules

• Subatomic particles

• Chemicals

Tags

NGSS.MS-PS1-1

What is located at the center of an atom?

• Electron

• Neutron

• Proton

• Nucleus

Which subatomic particle has a positive electrical charge?

• Electron

• Neutron

• Proton

• Atom

What distinguishes atoms of one element from atoms of another element?

• The number of electrons

• The number of protons

• The size of the atom

• The electrical charge

Which of the following is NOT a subatomic particle?

• Proton

• Neutron

• Electron

• Molecule

What is unique about a hydrogen atom compared to other atoms?

• It contains two protons.

• It contains one neutron.

• It does not contain a neutron.

• It has an atomic mass of two.

How many protons does helium have?

• One

• Two

• Three

• Four

What does the atomic number of an element represent?

• The number of neutrons in the atom

• The number of electrons in the atom

• The number of protons in the atom

• The total mass of the atom

Which of the following elements is not one of the six major elements in living things?

• Carbon

• Sulfur

• Phosphorus

• Calcium

Smallest of the 3 subatomic particles

• protons

• neutrons

• electrons