PHYSICAL SCIENCE FINAL EXAM REVIEW

Front

What is the atomic number of Silicon?

Back

14

Front

What is the atomic mass of Silicon?

Back

28

Front

How many neutrons does Silicon have?

Back

14 (Atomic mass - Atomic number = 28 - 14 = 14)

Front

What does Newton's 3rd Law state?

Back

For every action, there is an equal and opposite reaction.

Front

How many protons does an atom with an atomic number of 5 have?

Back

5 protons.

Front

What is an open circuit?

Back

A circuit that is not connected, preventing current from flowing.

Front

What is the chemical formula for potassium iodide?

Back

KI

Front

What is the difference between a closed circuit and an open circuit?

Back

A closed circuit allows current to flow, while an open circuit does not.

Front

What is the formula to calculate the number of neutrons in an atom?

Back

Number of Neutrons = Atomic Mass - Atomic Number.

Front

What is the significance of the atomic number?

Back

It determines the number of protons in an atom and defines the element.