Mystery Elements

What element is a noble gas and has 4 energy levels?

• Helium
• Potassium
• Xenon
• Krypton

What element has 2 valence electrons and 2 energy levels?

• Lithium
• Beryllium
• Fluorine
• Nitrogen

Tags

NGSS.HS-PS1-1

What element has 3 electrons in the outer most energy level and has 6 energy levels?

• Sulfur
• Tellurium
• Thallium
• Francium

Tags

NGSS.HS-PS1-1

What element is one of the most reactive metals and has 4 energy levels?

• Potassium
• Calcium
• Bromine
• Chlorine

Tags

NGSS.HS-PS1-1

What element is in group 13 and has 3 energy levels?

• Boron
• Sodium
• Aluminum
• Magnesium

Tags

NGSS.HS-PS1-1

What element has 3 energy shells and needs 1 electron to complete its outer shell?

• sodium
• fluorine
• chlorine
• oxygen

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which element has 2 energy shells, is very reactive and would like to give away its 2 outer electrons?

• beryllium
• sodium
• fluorine
• neon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What element has 2 energy shells with the outer shell being full?

• helium
• lithium
• argon
• neon

Tags

NGSS.HS-PS1-1

What is the element that is in Group 14 and has 3 energy shells classified as?

• metal
• non-metal
• metalloid
• unknown

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the element that has 4 energy levels and 2 valence electrons classified as?

• metal
• non-metal
• metalloid
• unknown

Tags

NGSS.HS-PS1-1