Physical Science Semester Exam Part 2

Front

What is a solute?

Back

A solute is a substance that is dissolved in a solvent to form a solution.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, resulting in a solution.

Front

What factors can increase the rate of solubility?

Back

Increasing temperature, stirring, and increasing surface area of the solute can increase the rate of solubility.

Front

What are the rows on the periodic table called?

Back

The rows on the periodic table are called Periods.

Front

What are the columns on the periodic table called?

Back

The columns on the periodic table are called Groups.

Front

Who is known for creating the first periodic table?

Back

Dmitri Mendeleev is known for creating the first periodic table by arranging elements by atomic mass.

Front

What is the charge of protons?

Back

Protons have a positive electric charge.

Front

What is the charge of electrons?

Back

Electrons have a negative electric charge.

Front

What is the charge of neutrons?

Back

Neutrons have no electric charge (they are neutral).

Front

Who discovered the nucleus of the atom?

Back

Ernest Rutherford discovered the nucleus of the atom.