Practice Periodic Table

How many energy levels are in an atom of Cesium, Cs?

• 55

• 133

• 1

• 6

How many valence electrons are in an atom of Silicon, Si?

• 3

• 4

• 14

• 28

What element is in period 3 group 18, 8A?

• Aluminum

• Potassium

• Argon

• Neon

Which element is located in group 13, 3A and period 4?

• Boron

• Silicon

• Beryllium

• Gallium

How many valence electrons does this element have?

• 20

• 2

• 4

• 1

Tags

NGSS.HS-PS1-1

An element has the properties of metallic shiny luster, magnetic, good conductor of electricity, and is a solid. What side of the period table would this element be on?

• Right

• down

• Left

• Zigzag line

Which statement describes group 1A on the periodic table?

• They are metal and are highly reactive.

• They are nonmetal and are highly reactive.

• They are metal and are inert.

• The are nonmetal and are inert.

Which of the following elements would be LEAST reactive?

• 
• 
• 
• 

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which subatomic particle determines the identity of an element?

• electron

• proton

• Neutron

• Nucleus

What is the charge of an electron?

• positive

• negative

• Neutral