1st Semester EXAM 24-25

Front

A pH more than 7 is

Back

a base

Front

Which is a halogen?

Back

Chlorine

Front

The horizontal row on the periodic table is called a

Back

period

Front

The SI unit for time is the __?__

Back

second (s)

Front

If a mixture has components you can see it is a...

Back

heterogeneous mixture

Front

What is the pH range for acids?

Back

0 to 7

Front

What is the pH range for bases?

Back

7 to 14

Front

What is a solution?

Back

A homogeneous mixture where the solute is completely dissolved in the solvent.

Front

What are the three states of matter?

Back

Solid, liquid, gas.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.