Chemistry

A chemical substance which is readily evaporates and readily diffuses at ordinary room temperature and pressure conditions is called

The gases that rarely take part in a chemical reaction are called

Which type of ions, metals form when enter into chemical reaction?

The atoms having different atomic numbers but the same mass number are called

The atoms which have the same number of neutrons but different mass numbers are called

The chemical formula which shows the relative number of atoms of all the elements present in a compound is called

The chemical formula which shows the exact number of atoms of all the elements present in a compound is called

What element is used in DNA synthesis?

What type of material are used in telephone type relays?

Chemicals found in wastes from plants, factories, etc.

Who was the first person to propose that atoms have weights?

How are substances classified?

What is the result from the combination, in definite proportion of mass of two or more elements?

How are mixtures classified?

The mixture of soil and water is an example of what classification of a mixture?

A very fine particle of soil when mixed with water will form a cloudy mixture. How is this mixture classified?

The particles of sugar dispersed in water are so small that a clear homogeneous mixture results, what is this mixture called?

Compounds are mostly classified as:

What is the property of metals that allow them to be rolled without breaking?

What is the property of metals that reflect the light that strikes their surfaces, making them appear shiny?