Atoms and Electron Dots

This could be the dot diagram of

• Mg

• Cl

• C

• O

Tags

NGSS.MS-PS1-1

This is a correct dot diagram for nitrogen (N)

• true

• false

Tags

NGSS.MS-PS1-1

This is a correct dot diagram for neon (Ne)

• true

• false

Tags

NGSS.MS-PS1-1

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

The particles with no charge in an atom are the _______.

• electrons

• neutrons

• protons

• protons and neutrons

Tags

NGSS.MS-PS1-1

Elements that have atoms with full valence shells in the ground state are in

• Group 1

• Group 2

• Group 17

• Group 18

This could be the dot diagram of

• P

• Ar

• Na

• B

Tags

NGSS.MS-PS1-1

Most elements will gain or lose electrons so that they end up with _______ valence electrons.

• 2

• 6

• 8

• 10

This could be the dot diagram of an element with the atomic number

• 8

• 31

• 19

• 36

Tags

NGSS.MS-PS1-1

This could be the dot diagram of 

• Ne

• Si

• Al

• Be

Tags

NGSS.MS-PS1-1