Chemical symbol
atomic mass
Compound
New elements (look out!)(atomic number .)
Could be anything (about elements)
100

Ar

what is argon ?

100

Neon 

What is 20?

100

CH4

What is methane ?

100

113

What is nihonium ?

100

It is oxegen’s valency.

What is 2?

200

Sc

What is scandium ?

200

Potassium 

What is 39?

200

H2O

What is water ?

200

116

What is livermorium ?

200

This is how many atoms of carbon in propane

What is 3?

300

ti

What is titanium ?

300

294

What is oganesson ?

300

CO2

What is carbon dioxide?

300

118

What is oganesson ?

300

This means 5 atoms at the end .

What is pent-?

400

cr

What is chromium ?

400

40

2 options: what is argon ? or what is calcium ?

400

C2H6 

What is ethane ?

400

115 

What is moscovium ?

400

This element poised nepolion. Hint: it was from his wallpaper.

What is arsenic ?

500

Fe

What is Iron ?

500

55

What is maganese?

500

C3H8 

What is propane ?

500

114

What is ferlervium?

500

Purple gems contain this element .

what is vanadium ?