Periodic Table Scavenger Hunt

I have an atomic mass of 108. Who am I?

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NGSS.MS-PS1-1

I have 28 electrons and a charge of 2+. Who am I?

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many neutrons does Ruthenium have?

I have an atomic number of 56. Who am I?

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NGSS.MS-PS1-1

I am an alkali metal in period 2. Who am I?

Which element has more neutrons: Cobalt or Nickel?

Indium has a charge of +3. How many protons does it have?

Indium has a charge of +3. How many electrons does it have?

Which element on the periodic table has the largest number of protons?

How many neutrons does Astatine have?

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NGSS.HS-PS1-8