Physical Science Final Exam Review

Front

How many neutrons are in an average atom of Beryllium?

Back

5

Front

What are the four types of chemical reactions?

Back

Synthesis, Decomposition, Single Displacement, Double Displacement

Front

List the colors of visible light in order of increasing wavelength (ROYGBV).

Back

Red, Orange, Yellow, Green, Blue, Indigo, Violet

Front

What is the formula to calculate mechanical advantage for an inclined plane?

Back

MA = length of incline/height of incline

Front

How many valence electrons are in an atom of Oxygen?

Back

6

Front

What is the atomic number of Oxygen?

Back

8

Front

Define a chemical reaction.

Back

A process that leads to the transformation of one set of chemical substances to another.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the pH scale?

Back

A scale used to measure the acidity or basicity of a solution, ranging from 0 (acidic) to 14 (basic).