The atoms of hydrogen (H) present on both sides of the given equation
Zn + 2HCl → ZnCl2 + H2 are 2.
What are atoms ?
Atoms are the smallest fundamental unit of particle which can't be destroyed further by any chemical mean.
What is Hydrogen(H) ?
Hydrogen is the lightest element in the periodic table having molecular formula(H2) . It is combustible, tasteless, odorless, colorless gas
What is Equation?
Equation in chemical science is the way to represent change in the conversion of reactants to product in reaction using symbols given by IUPAC.
The given reaction is
Zn + 2HCl → ZnCl2 + H2
There are two moles produces two moles of hydrogen, hence there are two atoms of hydrogen on both sides.
Hence, there are two atoms of hydrogen(H) are present on both sides of the equation.
Hence, option B is correct.
To learn more about Atoms, Hydrogen and Equation here
https://brainly.com/question/11837837
#SPJ2
