The Wonders of the Atom

What is the center of an atom called?

• Electron

• Nucleus

• Proton

• Neutron

Tags

NGSS.MS-PS1-1

Which particles are found in the nucleus of an atom?

• Electrons and Protons

• Electrons and Neutrons

• Protons and Neutrons

• Protons and Electrons

What is the charge of an electron?

• Positive

• Negative

• Neutral

• Variable

Tags

NGSS.MS-PS2-3

Atoms of the same element with different numbers of neutrons are called:

• Isotopes

• Isomers

• Alloys

• Compounds

Which of the following is NOT a subatomic particle?

• Electron

• Proton

• Neutron

• Photon

What determines the chemical properties of an atom?

• The number of protons in the nucleus

• The number of neutrons in the nucleus

• The total mass of the atom

• The number of electrons surrounding the nucleus

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which subatomic particle orbits around the nucleus?

• Proton

• Neutron

• Electron

• Quark

What is the atomic number of an element?

• The total number of protons and neutrons in the nucleus

• The total number of electrons in an atom

• The number of protons in the nucleus

• The number of neutrons in the nucleus

Atoms that gain or lose electrons are called:

• Isotopes

• Ions

• Molecules

• Compounds

Which statement is true about atoms in a chemical reaction?

• Atoms are destroyed.

• Atoms are created.

• Atoms are rearranged.

• Atoms change from one element to another.

Tags

NGSS.MS-PS1-5