Structure of Atom

What is it called when two or more of the same element have a different number of neutrons?

• ion

• solution

• isotope

• substance

The electrons closest to an atom's nucleus have less ____ than those further away.

• mass

• energy

• charge

• attraction

Atoms can gain or lose what?

• protons

• neutrons

• electrons

Which number here is my atomic number?

• 5

• 10.811

Tags

NGSS.MS-PS1-1

Which atom is drawn? (use periodic table in book if the picture is too hard to see)

• oxygen

• neon

• helium

• boron

Tags

NGSS.MS-PS1-1

Where are the Electrons found in the structure of an atom?

• In the nucleus

• In spaces around the nucleus

Tags

NGSS.MS-PS1-1

The subatomic particles in green are...

• Protons

• Neutrons

• Electrons

Tags

NGSS.MS-PS1-1

A neutron has a charge of

• +2

• No charge

• -1

• +1

A proton is....

• A negatively charged subatomic particle

• A positively charged subatomic particle

• A neutrally charged subatomic particle

• The only subatomic particle located in the nucleus

An element's identity is determined by the number of

• electrons.

• protons.

• neutrons.

• valence.