Elements & compounds

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

"Na" is the element's

• Chemical Formula

• Compound

• Name

• Chemical Symbol

The place where known elements are represented...

• The Period Table

• Compounds

• Chemical Formula

• Graph

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

What cannot be broken down into other substances?

• Compound
• Mixture
• Solids
• Element

A compound consists of two or more elements bound together.

• True
• False

Which of the following atomic symbols is written correctly?

• ee
• hE
• C
• CL

Does the image show an element or a compound?

• Element

• Compound

• Neither

• Mixture

Which statement best describes an element?

• pure, made of more than one type of atom

• when combined, a chemical reaction forms

• pure, made of only one type of atom

• can be broken down easily