Chemistry - 2A Model/subatomic particle

What is the center of an atom called?

• The headquarters

• The centrometer

• The hypothesis

• The nucleus

Tags

NGSS.MS-PS1-1

The nucleus of an atom contains which subatomic particles?

• protons and electrons

• protons and neutrons

• electrons and neutrons

• protons, electrons, and neutrons

Tags

NGSS.MS-PS1-1

Which subatomic particle does the RED(+) circle represent?

• proton

• neutron

• electron

• nucleus

Tags

NGSS.MS-PS1-1

Which subatomic particle does the YELLOW(-) circle represent?

• proton

• neutron

• electron

• nucleus

Tags

NGSS.MS-PS1-1

Which subatomic particle does the GREEN( ) circle represent?

• proton

• neutron

• electron

• nucleus

Tags

NGSS.MS-PS1-1

How many electrons does a Copper atom have?

• 63
• 29
• 92
• 34

Tags

NGSS.MS-PS1-1

^{What does the 6 represent above the C}

• Symbol 
• Name 
• Mass Number 
• Atomic Number 

Tags

NGSS.MS-PS1-1

Atomic mass - Atomic Number =

• protons
• neutrons
• electrons
• Average Mass

How are these isotopes different?

• Different atomic numbers
• Different number of protons
• Different number of neutrons
• Different number of electrons

Tags

NGSS.HS-PS1-8

Who is credited with developing model D?

• Thomson

• Dalton

• Bohr

• Rutherford