Valence Electrons and Ions/Isotopes Quiz

All atoms are most stable with (or would "prefer") how many electrons in their valence shell?

• 1

• 2

• 8

• 18

Valence electrons are: 

• Electrons farthest away from the nucleus
• Electrons closest to the nucleus
• Electrons that just come and go - they don't stay with the atom
• Electrons in the second shell

Describe this element.

• Highly reactive metal
• Highly reactive nonmetal
• Stable
• Less stable non metal

Tags

NGSS.MS-PS1-1

• 2
• 8
• 3
• 13

Tags

NGSS.MS-PS1-1

• 2
• 3
• 5

Tags

NGSS.MS-PS1-1

• 12
• 7
• 8
• 14

Tags

NGSS.MS-PS1-1

How many electrons go in the first shell (ring) ?

• 6

• 8

• 4

• 2

This is a Bohr Diagram of Aluminum. How many valence electrons does Aluminum have?

• 3

• 4

• 5

Tags

NGSS.MS-PS1-1

If a neutral atom gains more electrons, it will become a(n)

• Positive ion

• Negative ion

• Isotope

• New element

Isotopes are atoms that have different...

(choose 2 correct answers)

• Mass numbers

• numbers of Protons

• Atomic Numbers

• numbers of Neutrons

• element names