Chapter8

Question 1

Necleus

Answer 1

The central core of an atom

Question 2

Proton

Answer 2

A particle in the nucleus of an atom that has a positive charge

Question 3

Neutron

Answer 3

A particle in the nucleus of an atom that has no charge

Question 4

Electron

Answer 4

A particle outside the nucleus of an atom that has a negative charge

Question 5

Model

Answer 5

A useful representation of something that’s aids in studying the subject further

Question 6

Element

Answer 6

A substance that is made of only one particular type of atom and cannot be broken down into simpler substance

Question 7

Chemical symbol

Answer 7

One of two letters that represent an element’s name

Question 8

Periodic Table

Answer 8

A chart that arranges all the know elements by their properties

Question 9

Molecule

Answer 9

Two or more atoms joined together

Question 10

Compound

Answer 10

A molecule that consists of two or more different elements

Question 11

Chemical formula

Answer 11

A group of chemical symbols and numbers that describes the types and numbers of elements present in a molecule