Chemistry Basics

Front

What is the atomic number of Potassium?

Back

19

Front

What is the study of the composition, structure, and properties of matter?

Back

Chemistry

Front

What charge do electrons have?

Back

Negative

Front

How many neutrons are found in a potassium atom?

Back

20

Front

How many electrons are found in a potassium atom?

Back

19

Front

What is the symbol for Potassium in the periodic table?

Back

K

Front

What is the mass number of an atom?

Back

The sum of protons and neutrons in the nucleus.

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 periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What is an ion?

Back

An atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.