Properties of Elements

A(n) __________ is a pure substance made of only one type of atom.

• compound
• element
• proton
• electron

An atom is made up of how many different types of subatomic particles?

• One
• Two
• Three
• Four

Tags

NGSS.MS-PS1-1

Where are protons found in an atom?

• The nucleus
• Energy level
• The atomic mass
• By electrons

Tags

NGSS.MS-PS1-1

What are the rows of the Periodic Table of Elements called?

• Columns
• Groups
• Periods
• Lines

The numbered row of the Periodic Table of Elements tells you how many _________ an element has.

• neutrons
• protons
• atoms
• energy levels

Examples of elements that are gases and not reactive are called ___________.

• metals
• non-metals
• metalloids
• noble gases

What are the columns of the Periodic Table of Elements called?

• Columns
• Groups
• Periods
• Lines

________ are good conductors of electricity; they are often shiny solids at room temperature.

• Non-metals
• Metalloids
• Metals
• Noble gases

The __________ tells you how many protons an element has.

• atomic number
• atomic mass
• energy levels
• electrons

Tags

NGSS.MS-PS1-1

To find the number of neutrons, you subtract the atomic ________ from the atomic ________.

• mass; number
• number; mass
• electrons; protons
• neutrons; electrons

Tags

NGSS.MS-PS1-1