Elements and Compounds Test Review Day 7

What is the difference between Co and CO?

• CO is an element but Co is a compound

• Nothing is different. They are the same thing.

• CO is two elements and Co is only one element

• Co is not a pure substance

Tags

NGSS.MS-PS1-1

Which is the best description of an element?

• A substance that cannot be broken down into simpler substances

• A collection of atoms that have different abilities when joined together

• A man-made mineral

• A mixture of substances

Which one is a compound?

• Ni

• F

• Re

• NaCl

Tags

NGSS.MS-PS1-1

How many different elements are in the compound?

• 12

• 3

• 24

• 6

Tags

NGSS.MS-PS1-1

Which of the following is a compound:

• Carbon

• Water

• Oxygen

• Chlorine

Tags

NGSS.MS-PS1-1

"Na" is the element's

• Chemical Formula

• Compound

• Name

• Chemical Symbol

The place where known elements are represented...

• The Periodic Table

• Compounds

• Chemical Formula

• Graph

One way to tell how many elements a compound has is to..

• the the square root of the total number of lettersThis is a wrong answer the the square root of the total number of letters

• count the capital letters

• add up all the numbers

• count the letters

Tags

NGSS.MS-PS1-1

A substance that consists of 2 or more different elements is a

• element

• data table

• symbol

• compound

Tags

NGSS.MS-PS1-1

The periodic table is a listing of all the ____________.

• chemical formulas

• compounds

• periods

• elements