Bohr Models Valence Electrons

What does the Bohr Model represent?

• The structure of molecules

• The structure of the Solar System

• The structure of an atom

• The structure of East Hills

Tags

NGSS.MS-PS1-1

The nucleus contains

• electrons

• all subatomic particles

• protons

• protons and neutrons

Tags

NGSS.HS-PS1-8

What is the atomic number of this atom?

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-1

What is the mass number of this atom?

(Recall mass number = protons + neutrons added together)

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

How many electrons can go in the first energy level?

• 2

• 8

• 18

• 32

How many electrons can go in the second (2nd) energy level?

• 2

• 8

• 18

• 32

What is a particle with negative (–) charge, outside nucleus?

• proton

• neutron

• quark

• electron

What does the nucleus of an atom contain?

• Electrons and neutrons
• Protons and neutrons
• Neutrinos and positrons
• Electrons and megatrons

Tags

NGSS.HS-PS1-8

How many electrons can go in the third (3rd) energy level?

• 2

• 8

• 18

• 32

The innermost energy level has a maximum of how many electrons?

• 1

• 2

• 6

• 8