Sagot :
Answer:
H - Hydrogen
Cl- chlorine
Fe- Iron
O- oxygen
Ca- calcium
2- Helium atomic 2 symbol is He the name of elements is helium
Ba -barium
O3- Ozone
Na- sodium
Mg- magnesium
Answer:
H - Hydrogen
Cl- chlorine
Fe- Iron
O- oxygen
Ca- calcium
2- Helium atomic 2 symbol is He the name of elements is helium
Ba -barium
O3- Ozone
Na- sodium
Mg- magnesium