Periodic Families and Trends

What is the mass number defined as?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

________________ have a positive charge, ___________________ have NO charge, and _____________________ have a negative charge.

• Protons, Electrons, Neutrons

• Neutrons, Electrons, Protons

• Protons, Neutrons, Electrons

• Electrons, Neutrons, Protons

Which of the following elements is in (period 4 , group 2)

• Carbon

• Potassium

• Calcium

• Sodium

What type of elements are found on the "staircase" of the periodic table?

• Metals

• Metalloids

• Nonmetals

Metals are...

• Shiny

• Dull

• Bad Conductors

• Brittle

Nonmetals are...

• Shiny

• Dull

• Good Conductors

• Malleable

Which of the following is an Alkali Metal? 

• Magnesium
• Chromium
• Sodium
• Fluorine 

Which of the following is an Alkaline Earth Metal? 

• Calcium
• Lithium
• Phosphorus
• Copper 

Which of the following is a Halogen? 

• Bromine
• Rubidium
• Argon
• Beryllium

Which of the following is a Noble Gas? 

• Krypton
• Chlorine
• Radium
• Gallium