Periodic Trends

Which of the following elements has a full valence shell with only two electrons and therefore satisfying the "octect rule?"

• Oxygen (O)

• Platinum (Pt)

• Helium (He)

• Chlorine (Cl)

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NGSS.HS-PS1-1

How many valence electrons does Phosphorus (P) have?

• 4

• 5

• 6

• 7

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NGSS.HS-PS1-1

How many valence electrons does Hydrogen (H) have?

• 1

• 2

• 3

• 4

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NGSS.HS-PS1-1

What does Nitrogen (N) want to do to obtain a full outer valence shell?

• gain 2 electrons

• gain 3 electrons

• lose 2 electrons

• lose 3 electrons

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Who is the father of the Periodic Table?

• Erwin Schrödinger

• Niels Bohr

• Albert Einstein

• Dmitri Mendeleev

Which outline of elements are known as the transition metals?

• A

• B

• C

• D

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following have a luster, are malleable, are ductile, and are good conductors of heat and electricity?

• metals

• nonmetals

How many full inner shells are beneath the outer valence electron shell of Calcium (Ca)?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-PS1-1

What is the nuclear charge of the nucleus of Iron (Fe)?

• 2

• 8

• 14

• 26

Which of the following elements have the smallest atoms?

• Potassium (K)

• Calcium (Ca)

• Bromine (Br)

• Krypton (Kr)