CHEMISTRY FOR SS 1

Which of these elements is a nonmetal?

Which of the following is an example of a chemical change?

Matter can physically be classified as

The chemical symbol for chromium is

A mixture is made up of two or more pure substances in

Which of the following is an example of a mixture?

The branch of chemistry that deals with reactions that involve both the electrons and the nucleus is called

Which of the following changes is physical?

The release of harmful chemicals into the environment is termed

Which of the following processes does not lead to a chemical change?

One of the following is not a career in chemistry

A situation whereby a gas changes to solid without passing through the liquid phase is called

The symbol Sn stands for stannum. What is the modern name of this element?

The process by whereby a gaseous body loses some of its kinetic energy to a colder body is referred to as

Which of the following elements is a metalloid?