Periodic Table

• energy levels
• valence electrons
• protons
• neutrons

Which group of elements are the most reactive nonmetals?

• Group 2

• Group 1

• Group 18

• Group 17

How many periods are on the periodic table?

• 5

• 6

• 7

• 8

Organize these options into the right categories

Groups:

(a) Metals

,

(b) Nonmetals

,

(c) Metalloids

• right of the metalloids

• gases, or dull brittle solids

• malleable and ductile

• located ot the left of the metalloids

• good conductors of heat and electricity

• shiny, silvery solids

• semi-conductors

• solids

• poor conductors

• physcial properties like metals

• chemical properties like nonmetals

Which classification of elements are solids, semi-conductors, and have physical properties like metals and chemical properties like nonmetals?

• Transition metals

• Metalloids

• Nonmetals

• Metals

• Metals
• Nonmetals
• Metalloids

How many neutrons can be found in an atom of Na (Sodium)?

• 12

• 11

• 22.99

• 23

What are the horizontal rows on the periodic table called?

• Valence electrons

• Elements

• Periods

• Groups

What are the red elements (those on the left)?

• metals

• nonmetals

• metalloids

Which element has properties similar to Calcium (Ca)?

• Sodium

• Magnesium

• Potassium