NGSS.HS-PS1-1

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

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NGSS.HS-PS1-1

Which of the following will have a lower ionization energy than Scandium (Sc)?

• Helium (He)
• Titanium (Ti)
• Calcium (Ca)
• Magnesium (Mg)

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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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NGSS.HS-PS1-1

Which number here is the atomic number?

• 5

• 10.811

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NGSS.HS-PS1-1

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

• true
• false

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NGSS.HS-PS1-1

Write the configuration for Phosphorus

• 2s2 2p6 3s2 3p3

• 1s2 2s3 2p6 3p3

• 1s2 2s2 2p6 3s2 3p3

• 1s2 2s2 2p5 3s2 3p3

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NGSS.HS-PS1-1

A(n) ______________, or an element located in group 7A will form a salt when reacted with a metal atom.

• noble gas

• halogen

• alkali metal

• transition metal

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NGSS.HS-PS1-1

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

Which of the following is an element?

• Sugar
• Salt
• Water
• Oxygen

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NGSS.HS-PS1-1

Ag

• Aluminio

• Astato

• Arsenico

• Plata

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NGSS.HS-PS1-1