Answer:
Atoms or molecules
Explanation:
Because if molecules are heated or colded the can be liquid or solid
Answer:
C
Explanation:
Pb + H2O + O2 => Pb(OH)2
Number of oxygen atom on left = 3
Number of oxygen atom on the right = 2
To balance number of oxygen
Change the coefficient of Pb and H2O to two each
2Pb + 2H2O + O2 => 2Pb(OH)2
The coefficient of Pb and H2O is 2,2
The second one is correct im pretty sure
Answer:
ano po ito?? isa po ba itong story