Atoms and Atomic Structure

How many electrons fit into the third electron shell?

• 2

• 8

• 18

• 30

An atom is made up of ...

• Neutrons

• Protons

• Molecules

• Electrons

Tags

NGSS.MS-PS1-1

The particles present within the nucleus of an atom are called...

• Neutrons

• Neucleons

• Electrons

What is the outermost shell of an atom containing the valence electrons?

• Outside shell

• Valence shell

How many electrons are present in the first orbital?

• 2

• 16

• 8

How much does a proton weigh?

• 1 AMU

• 3 AMU

• 2 AMU

• 4 AMU

What is inside a proton?

• Nothing

• 2 up quarks, 1 down quark

• 1 up quark, 2 down quarks

Tags

NGSS.HS-PS1-8

What is inside a neutron?

• Nothing

• 1 up quark, 2 down quarks

• 2 up quarks , 1 down quark

Tags

NGSS.MS-PS1-1

The number of protons in an atom is equal to the ....

• Atomic number

• Atomic mass

• Atomic structure

Which element is this?

• Helium

• Lithium

• Boron

• Hydrogen

Tags

NGSS.MS-PS1-1