Periodic Table of Elements

Each box on the Periodic Table represents

• One chemical reaction of that element

• One atom of that element

• One molecule of that element

• One electron of that element

Tags

NGSS.MS-PS1-1

The rows on the Periodic Table are called

• periods

• groups

• family

• columns

What is the last group on the far right that is colored gray does NOT react with other elements?

• metals

• halogens

• metalloids

• noble gases

Which of the following is NOT a way the Periodic Table is organized?

• atomic number

• atomic mass

• alphabetical order

• groups and periods

The number 1.008 on this square is the

• atomic number

• atomic mass

• chemical symbol

• how many electrons it has

Tags

NGSS.MS-PS1-1

In a chemical formula, the small number underneath the element is called the .​

• symbol

• semimetal

• subscript

Tags

NGSS.MS-PS1-1

How many total atoms make up this formula?

• 11

• 12

• 38

• 3

Tags

NGSS.MS-PS1-1

The atomic number of the element is the same as the the number of ____.

• molecules

• neutrons

• protons

How many different elements make up this molecule?

• 2

• 3

• 1

• 4

Tags

NGSS.MS-PS1-1

 What particle in the atom has a negative charge to cancel out the proton's positive charge and circle around in its "shell"?

• electron

• neutron

• atomic number

• proton

Tags

NGSS.MS-PS1-1