Answer:
h20
Explanation:
H2O is an acid and a base, and H20 is water.
Its on Google..."The group number of a representative element in the periodic table is related to the number of valence electrons it has. ... Elements of the halogen family lose one electron to become halide ions."
As the O3 suggests, the Ozone molecule is made up of 3 Oxygen atoms.
Answer:
Explanation:
exothermic reactions are the reactions which involve the release of energy.
the energy released can be of any forms ,for example heat,light .
all the combustion reactions are exothermic reactions
When pancakes are being cooked they get stuck to each other <span><span>piece,</span> in the pancake an get more tangled up</span>