elements
atoms
periodic table
counting atoms
Symbols
100

what does Mg stand for?

what is magnesium 

100

how many atoms are in H20?

what is 3

100

first element on the periodic table?

what is hydrogen

100

how many atoms are in H2+C?

what is 3

100

H

what is hydrogen

200

what does K stand for?

what is potassium

200

how many atoms are in C1Li1?

what is 2

200

how many elements are on the periodic table?

what is 118

200

how many atoms are in Cl8+H9

what is 17

200

Li

what is lithium?

300

what is C+O2 equal?

what is CO2

300

how many atoms re in h16?

what is 16

300

what is the second element on the periodic table?

what is helium

300

how many atoms are in H3+Mg3+C3?

what is 9

300

He

what is helium?

400

what is H20?

what is water

400

how many atoms are in CCa2Li12?

what is 15

400

what is lithium's elemental symbol ?

what is Li

400

how many atoms are in H12+Ca11+C?

what is 24

400

Ca

what is calcium?

500

how many elements are currently in the periodic table?

what is 118

500

who many atoms are in H3Ca2He1 ?

what is 6

500

name any five elements

any five elements

500

how many atoms are in this equation?   

h2+3NaCl+He3

what is 11 atoms

500

C

what is carbon?

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