Chemistry Class 2

Material

100

What is the name of a positively charged ion? 

Cation

200

Name one difference between an Ion and a stable atom.

Answers May Vary

300

Give me one example of a Covalent bond?

Answers May Vary 

H20, CO2,CL2,

400

Give me two features of a Metallic Bond.

A Metallic bond is formed between two metal cations, positively charged ions.

Valence electrons are able to roam freely and are shared between all the atoms in the bond.

All the cations form a sea of valence electrons surrounding the cations, which are shared.

500

Name the 3 different types of bonds and explain it as best you can?

Answers May Vary

Facts

100

What are negatively charged ions?

Anions

200

Give me one example of an ionic bond?

Answers May Vary

NACL, CaCl, MgO

300

What elements do Covalent bonds take place between?

Two non-mentals.

400

What Elements and their percents make up our Atmosphere?

78% nitrogen 21% oxygen 1% Argon and other gases.

500

What are the elements in Earths oceans?

Hydrogen:11%

Chlorine:2%

Oxygen:86%

All Others: 1%