Question

atoms of hydrogen and atoms of oxygen. The
smallest particle of water contains two atoms of
hydrogen and one atom of oxygen. These form
one molecule of water.
Iron, gold, hydrogen and oxygen, whose
smallest particles are atoms, are called
elements. Substances, such as water, which
are made up of two or more elements are called
compounds (Table 4.3). The smallest particle of
a compound is a molecule.
INTO GROUPS 35​

Answer 1

Answer:

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