periodic table and elements

Nitrogen

• N
• Ni
• He
• G

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NGSS.MS-PS1-1

Silver

• Si
• S
• E
• Ag

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NGSS.HS-PS1-1

Copper

• Cu
• C
• F
• Fe

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NGSS.HS-PS1-1

Nickel

• N
• El
• Ck
• Ni

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NGSS.HS-PS1-1

A one or two letter abbreviation  used to represent an element is called a(n) ________

• chemical symbol
• element sign

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NGSS.MS-PS1-1

Which element is found in period 3 group 2?

• Sodium (Na)
• Magnesium (Mg)
• Yttrium (Y)
• Boron (B)

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NGSS.HS-PS1-1

Vertical (up and down) columns in the periodic table are called _________ of elements and have similar properties. 

• groups
• periods

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NGSS.HS-PS1-1

_________are not good conductors of heat or electricity.

• Metals
• Metalloids
• Nonmetals

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

The horizontal (left to right) rows on the periodic table are known as

• periods.
• atoms.
• groups or families.
• valence electrons.

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NGSS.HS-PS1-1

An example of elements from period 3 that have the same number of electron shell

• Hydrogen and Oxygen
• Sodium and Potassium
•  Sodium and Magnesium
• Helium and Hydrogen