2.2 Atoms and Isotopes Quiz

What is the smallest unit of an element that retains properties of that element?

• Molecule

• Atom

• Neutron

• Electron

What subatomic particles are found in the nucleus of an atom?

• Electrons and Protons

• Neutrons and Electrons

• Protons and Neutrons

• Protons, Neutrons, and Electrons

Tags

NGSS.MS-PS1-1

What is the charge of an electron?

• Negative

• Positive

• Neutral

• It varies

Tags

NGSS.MS-PS2-3

The atomic number of an element is determined by the number of which subatomic particle?

• Neutrons

• Protons

• Electrons

• Neutrons and Protons

Isotopes of an element have the same number of ______________ but DIFFERENT numbers of ___________________.

• Protons; Neutrons

• Neutrons; Electrons

• Electrons; Protons

• Protons; Electrons

Tags

NGSS.HS-PS1-8

Which of the following elements has 7 protons?

• Oxygen

• Nitrogen

• Carbon

• Hydrogen

How many neutrons does Carbon-14 have?

• 6

• 8

• 14

• 12

Tags

NGSS.MS-PS1-1

What is the mass number of an atom if it has 10 protons and 12 neutrons?

• 10

• 12

• 22

• 20

Tags

NGSS.MS-PS1-1

Which of the following is true about isotopes?

• They have different numbers of protons.

• They have the same mass number.

• They have different numbers of neutrons.

• They have different numbers of electrons.

What is the charge of a proton?

• Positive

• Negative

• Neutral

• It varies