Atoms and Isotopes

What is found in the nucleus of an atom?

• protons and electrons

• protons and neutrons

• neutrons and quarks

• electrons and neutrons

Tags

NGSS.MS-PS1-1

The atomic number on the periodic table tells you the number of...

• protons

• neutrons

• electrons

• quarks

Which subatomic particle has a positive charge?

• proton

• neutron

• electron

• molecules

Which subatomic particle has a negative charge?

• proton

• neutron

• electron

• quark

Which subatomic particle is neutral or has no charge?

• proton

• neutron

• electron

• molecule

Isotopes are atoms of the same element but can have different numbers of ____________.

• protons

• neutrons

• electrons

• quarks

Tags

NGSS.HS-PS1-8

What is the atomic mass of sodium?

• 11

• 16

• 32.06

• 22.99

What element is this?

• Hydrogen

• Helium

• Lithium

• Carbon

Tags

NGSS.MS-PS1-1

Look at the nuclear symbol. Which statement is correct?

• There are 3 protons.

• There are 7 protons.

• This element is light.

• This element has 7 neutrons.

Tags

NGSS.MS-PS1-1

Which subatomic particle is found at "a"?

• proton

• neutron

• electron

• quark

Tags

NGSS.MS-PS1-1