Question

give difference between elements and compounds

2) homogeneous and heterogeneous with examples​

Answer 1

Explanation:

1 .An element is a material that consists of a single type of atom. Each atom type contains the same number of protons. Chemical bonds link elements together to form more complex molecules called compounds. A compound consists of two or more types of elements held together by covalent or ionic bonds

2.A homogeneous mixture is a solid, liquid or gaseous mixture that has the same proportions of its components throughout any given sample. Conversely, a heterogeneous mixture has components in which proportions vary throughout the sample

Answer 2

Answer:

1 give difference between elements and compounds

answer:-elements-it contains only one kind of atom

compound-it contains more than one atom.

2 difference between homogeneous and heteogeneous with example

answer:-homogeneous---mixtures which have uniform composition throughout are called homogeneous mixture.

heterogeneous---mixtures which do not have uniform composition throughout are called heterogeneous mixtures.

Explanation:

EXAMPLE - homogeneous ---- mixture of salt and water

- heterogeneous----mixture of sand and water.

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