Periodic Table

Calcium is most similar to which of the following?

• Barium
• Potassium
• Cesium
• Nitrogen

The alkali metals have how many valence electrons?

• 1
• 2
• 7
• 8

The noble gases have how many valence electrons?

• 1
• 2
• 7
• 8

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

What does the 1.00794 stand for?

• Hydrogen
• atomic number
• atomic mass
• atomic explosion

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

What is the name of the group that is non-reactive?

• noble gases - Group 18
• transition- Group 3-12
• halogens - Group 17
• boron- Group 13

• Periods
• Groups

• Periods
• Groups

• energy levels
• valence electrons
• protons
• neutrons