The atomic number of H2O is 18 hence it contains 18 protons. Hope this helps.
Answer:
is b
Explanation:
es la b porque estpy estudiando lo mismo
Explanation:
color (intensive)
density (intensive)
volume (extensive)
mass (extensive)
boiling point (intensive): the temperature at which a substance boils
melting point (intensive): the temperature at which a substance
Ba2Cl
NaS2
The numbers are in subscript
