Intro to PT

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

Sodium (Na) is found in period 

• 3
• 2
• 4
• 1

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NGSS.HS-PS1-1

Sodium (Na) is found in group 

• 1
• 2
• 3
• 4

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NGSS.HS-PS1-1

What does the atomic mass tell you? 

• The number of electrons

• The number of neutrons
• The weighted average of the naturally occurring isotopes

• The number of protons.

What does the 6 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

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NGSS.HS-PS1-1

What does 12.011 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

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NGSS.HS-PS1-1

What does the C represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

Tags

NGSS.HS-PS1-1

These are found on the Periodic Table.

• Compounds
• Elements
• Mixtures

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NGSS.HS-PS1-1

type of element that has some properties of metals and some properties of nonmetals

• metals

• nonmetals

• metalloids

• cellanoids