Chemical Classification of matter Grade 6 ICSE

Yes

No

Only one kind of atom

more than one kind of atoms

atoms and molecules

compounds

True

False

True - since atom is the smallest part of an element.

False- in some elements, 2 or more atoms combine to form a molecule.

False- in some elements, atoms combine with other elements to form a molecule.

True- since all elements are made up of the same atoms.

By a chemical formula consisting of the symbol of the element followed by the number of atoms in each molecule of the element.

By a chemical formula consisting of the symbol of the element

By a chemical formula consisting of the symbols of different elements

By a chemical formula consisting of the symbol of the element followed by the number of atoms in a compound.

Copper , water and Hydrogen

Gold, Calcium and Mercury

Salt( Sodium Chloride) , Mercury and Oxygen.

Iron , Mercury, Nitrogen.

Atoms of different elements are mixed together.

Different elements are chemically combined.

Many atoms of an element are chemically combined.

Molecules of an element are chemically combined.

2 or more atoms of the same element

2 or more molecules of the same element

2 or more atoms of different elements