Atoms

What is an atom?

• giant object
• building block of matter
• molecule
• compound

Tags

NGSS.MS-PS1-1

What 2 subatomic particles are in the nucleus?

• protons & electrons
• electrons & neutrons
• protons & neutrons
• electrons & neutrinos

Tags

NGSS.HS-PS1-8

What is the charge of a proton?

• positive
• negative
• neutral

What is the charge of a neutron?

• positive
• negative
• neutral

Tags

NGSS.HS-PS1-8

What is the charge of an electron?

• positive
• negative
• neutral

Tags

NGSS.MS-PS2-5

What is the overall charge of the nucleus?

• positive
• negative
• neutral

Tags

NGSS.HS-PS1-8

What is the overall charge of the electron cloud?

• positive
• negative
• neutral

What is the overall charge of most atoms?

• positive
• negative
• neutral

Where are valence electrons?

• nucleus
• no where
• innermost ring
• outermost ring

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which 2 subatomic particles have the same mass (in amu)?

• protons & neutrons
• protons & electrons
• electrons & neutrons
• none are equal