what energy transformation occurs when a fire cracker explodes
a)gravitational potential energy to mechanical and electromagnetic
b)nuclear to kinetic and chemical
c)mechanical to electromagnetic and electrical
d)chemical to thermal and electromagneticim actually thirteen soo not in highschool

d) chemical to thermal and electromagnetic

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom