Reading the Periodic Table

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom of that element.

Front

How many protons does Carbon have?

Back

6

Front

How many protons does Fluorine have?

Back

9

Front

Which element has the lowest atomic number among the following: Bromine (Br), Chlorine (Cl), Iodine (I), Astatine (At)?

Back

Chlorine (Cl)

Front

Which element has the highest atomic number among the following: Hydrogen (H), Lithium (Li), Sodium (Na), Potassium (K)?

Back

Potassium (K)

Front

What is an element?

Back

The simplest form of matter. Each element is made up of one type of atom.

Front

What does the periodic table represent?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What is the significance of the columns in the periodic table?

Back

Columns (groups) contain elements with similar chemical properties.

Front

What is the significance of the rows in the periodic table?

Back

Rows (periods) represent elements with increasing atomic number and different properties.

Front

What is a proton?

Back

A positively charged particle found in the nucleus of an atom.