Atomic Structure/Bohr Models

What is the atomic number of this atom?

• 2
• 4
• 6
• none of the above

Tags

NGSS.MS-PS1-1

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

What does the 6 represent?

• Atomic mass

• atomic number

• chemical symbol

• element name

Tags

NGSS.MS-PS1-1

What is the mass number of this atom?

• 1

• 3

• 4

• 7

Tags

NGSS.MS-PS1-1

Which element is this?

• Nickel

• Neon

• Sodium

• Nitrogen

Tags

NGSS.MS-PS1-1

Most of the mass in an atom is made up of _____________________?

• protons and electrons
• protons and neutrons
• neutrons and electrons
• electrons and quarks

Tags

NGSS.MS-PS1-1

Isotopes are elements with a different amount of

• protons
• neutrons
• electrons
• atoms

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

• 1

• 2

• 6

• 8

What is a valence electron?

• Electrons in the first energy shell

• Electrons in the second energy shell

• Electrons in the outer shell

• Total number of electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons?

• 2

• 3

• 4

• 5

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2