NGSS.HS-PS1-1

Beryllium has how many protons?

• 4
• 9.0122
• 2
• 13.0122

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What type of bond is this?

• ionic
• covalent

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What does the 6 represent?

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

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NGSS.HS-PS1-1

What does the 6 represent?

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

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There are 4 different types of subshells s,p,d,f

• true
• false

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NGSS.HS-PS1-1

a row on the Periodic Table of Elements

• family

• period

• row

• isotope

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Iron

• Ir

• In

• Fe

• FE

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How many valence electrons does a nitrogen atom have?

• 3

• 7

• 5

• 1

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Elements in the same group have the same

• Properties

• Number of electrons

• Number of protons

• Nucleus

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What is the molar mass of Ca(OH)₂?

• 58.10 g/mol

• 73.09 g/mol

• 74.10 g/mol

• 114.18 g/mol

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NGSS.HS-PS1-1