7.6 A,B,C.D.E REVIEW

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together in a fixed ratio.

Front

How many elements are in the compound C2H8O?

Back

There are 3 elements: Carbon (C), Hydrogen (H), and Oxygen (O).

Front

What is the chemical symbol for Iron?

Back

The chemical symbol for Iron is Fe.

Front

What is the chemical symbol for Sodium?

Back

The chemical symbol for Sodium is Na.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, resulting in a solution. In an aqueous solution, the solvent is usually water.

Front

What is the effect of stirring on the rate of dissolution of a solid solute?

Back

Stirring increases the rate of dissolution of a solid solute in an aqueous solution.

Front

What is the chemical formula for water?

Back

The chemical formula for water is H2O.

Front

What is the difference between a solute and a solvent?

Back

A solute is the substance that is dissolved in a solution, while a solvent is the substance that dissolves the solute.

Front

What is the process of dissolution?

Back

Dissolution is the process by which a solute dissolves in a solvent to form a solution.