Look at the chemical equation: Zn + 2HCl → ZnCl2 + H2

How many atoms of hydrogen (H) are present on both sides of the equation?

1
2
3
4

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water

How is the atomic number of a nucleus changed by alpha decay

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6