Reactivity of an Element

Which of the following is MOST reactive?

• Lithium

• Lead

• Tin

• Copper

Which two groups on the Periodic Table are the MOST reactive?

• Group 1 and Group 17

• Group 2 and Group 16

• Group 13 and Group 15

• Group 17 and Group 18

Which metal is more reactive than calcium?

• magnesium

• potassium

• silver

• aluminum

Refers to how quickly or easily an element combines with other substances

• Conductivity

• Reactivity

• Malleable

Which group on the Periodic Table is Non-Reactive?

• Group 1 on the far left

• copper in the middle

• group 18 on the far right

Which property makes lithium more reactive than boron?

• Lithium has a smaller atomic number

• Lithium only has 3 electrons

• Lithium only has 1 valence electron

• Lithium has a negative charge.

Is the element reactive or nonreactive/stable?

• reactive

• nonreactive/stable

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

A student is studying calcium, a highly reactive element that humans need for strong bones. Which characteristic of calcium is most closely related to its chemical reactivity?

• The 20 protons in each atom of calcium

• The density of calcium, which is 1 5. g 4 /cm3

• The atomic mass of calcium, which is 40.078 amu

• The 2 valence electrons in each atom of calcium

What strategy from the supplemental aid would you use to answer this question?

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Tags

NGSS.MS-PS1-2

Look at the picture. Which element is the most reactive?

• Sodium

• Neon

• Chlorine

Tags

NGSS.MS-PS1-2