Elements and Periodic Table

Which family that we studied are all gas and have low reactivity?

• alkali metal

• alkaline earth metal

• halogen

• noble gas

Calcium is in the alkaline earth metal family. Which is NOT true for calcium?

• it is metal

• it is solid

• it is non metal

• it is reactive

Which of these is an element?

• plastic

• water

• oxygen

• air

Does this picture represent element, compound, or mixture?

• element

• compound

• mixture

Tags

NGSS.MS-PS1-1

Elements contain ______ type of atom

• one

• two or more

• large

• mixture

Tags

NGSS.MS-PS1-1

There are _________ unique elements arranged in the Periodic Table.

• 181

• 81

• 118

• 100

The atomic number of Beryllium is ___ the number of protons in Beryllium is _____?

• 4 and 4

• 9.012182 and 4

• 4 and 9.012182

Tags

NGSS.MS-PS1-1

A row of elements in the Periodic Table whose properties change gradually and predictably:

• Periods

• Groups/Families

• Cousins

• Metals

Columns in the Periodic Table are called

• Periods - because they are very similar

• Groups/Families because they share similar chemical properties

• Cousins because they share similar chemical properties

• Metals because they are magnetic

The Periodic Table of elements is arranged according to an element's

• color

• state of matter

• place in the alphabet

• properties