Atoms, Elements ,Periodic Table

Counting Atoms

100

CaCO₃

Ca=1 C=1 O=3

200

2H₂O₂

H=4 O=4

300

5C₂H₄

C=10 H=20

400

3SiO₃

Si=3 O=9

500

2C₆H₁₂O₆

C=12 H=24 O=12

Lewis Dot Diagrams

100

Li

Li=1

200

Ne

Ne=8

300

N

N=5

400

Po

Po=6

500

B

B=3

Ionic Bonding

100

Do Ionic bonds take or share electrons?

Take

200

Na Br

NaBr 

Na=1 Br=7

300

O Li

 Li₂O

O=6 Li=1

400

Al F

AlF₃ 

Al=3 F=7

500

Ca N

Ca₃N₂

Ca=2 N=5

Covalent Bonding

100

Do covalent bonds take or share electrons?

Share

200

NH₃

N=5 H=1

300

Br₂

Br=7

400

PF₃

P=5 F=7

500

CH₄

C=4 H=1

Science Trivia

100

What gas do animals need to breathe to survive?

Oxygen

200

What is the largest organ in the human body?

The skin

300

What is the term for animals that are active during the night?

Nocturnal

400

What is the name of the galaxy that houses our solar system?

The milky way

500

Which baby insect does not look like it’s parent?

Caterpillar