Periodicity

Which of the following are used to organize the periodic table?

• Atomic Number

• Mass Number

• Electron Configuration (Similar Properties)

• Atomic Number and Electron Configuration (Similar Properties)

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A row of the periodic table is called...

• a period.

• a family.

• a group.

• a column.

A column of the periodic table is called...

• a period.

• a family.

• a group.

• a family or a group.

Which family/group is very reactive and donates/gives away electrons to become a cation?

• Alkali Metals

• Halogens

• Noble Gases

• Non-Metals

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Which family/group is very reactive and accepts/steals electrons to become a anion?

• Alkaline Earth Metals

• Halogens

• Noble Gases

• Transition Metals

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NGSS.HS-PS1-1

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Which family/group is very non-reactive and does not donate OR accept electrons?

• Alkaline Earth Metals

• Halogens

• Noble Gases

• Transition Metals

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Which elements have properties of both metals and metalloids?

• Alkaline Earth Metals

• Halogens

• Metalloids

• Lanthanides

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NGSS.HS-PS1-1

Which element has a larger atomic radius, K or Br?

• K, because it has fewer protons.

• Br, because it has more protons.

• They are the same, because they are in the same energy level and the outer electrons experience the same shielding.

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NGSS.HS-PS1-1

Which element has a larger atomic radius, Na or Mg?

• Na, because it has fewer protons.

• Mg, because it has more protons.

• They are the same, because they are in the same energy level and the outer electrons experience the same shielding.

Tags

NGSS.HS-PS1-1

Which element has a larger atomic radius, Fr or F?

• Fr, because it has more energy levels.

• F, because it has fewer energy levels.

• F, because it has fewer protons.

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NGSS.HS-PS1-1