Periodic Table Trends

What happens to the atomic numbers as you move from left to right on the periodic table?

• Increase

• Decrease

• Stay the same

• Nothing

What is the name of the family that is highlighted?

• Alkali Metal Family

• Halogen Family

• Noble Gas Family

• Transition Metal Family

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NGSS.HS-PS1-1

How many energy levels does an atom of Chlorine have?

• 2
• 3
• 4
• 7

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What is the group number of this atom?

• 2
• 7
• 14
• 15

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Which element has the same number of valence electrons as this element?

• Bromine (Br)
• Nitrogen (N)
• Calcium (Ca)
• Boron (B)

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NGSS.HS-PS1-1

How many valence electrons does an atom of oxygen have?

• 2
• 5
• 6
• 16

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NGSS.HS-PS1-1

List the two most reactive families on the periodic table.

• Alkali metals & Transition Metals
• Noble gases & Oxygen Family
• Halogens & Alkali metals
• Halogens & Noble gases

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

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NGSS.HS-PS1-1