Warm up

Ocuppy for 78% in the air

Important role in nitrogen fixation

Non-flammable, odorless, colorless

Z = 7

What element is this?

Present in most organic compounds

Products of combustion and respiration

Graphite

Z = 6

What element is this?

Used in the production of alloys for aircraft

Important role in photosynthesis

Used in fireworks and flares

Z = 12

What element is this?

Used in fireworks and flares

The two main forms are white and red

Present in detergents and food preservatives

Z = 15

What element is this?

Present in detergents and food preservatives

An important role in most organisms' respiration

Help the fire burn brightly

Z = 8

What element is this?

The major element in bones and teeth

An important factor in blood clotting

Found in eggshells, clams, mussels

Z = 20

What element is this?

Smell like rotten eggs when released into the air

Often used to handle broken thermometers.

Used in the production of antiseptics and acne medications

Z = 16

What element is this?

The main ingredient of table salt

Easily reacts with water

Food preservation

Z = 11

What element is this?

Basis for the transmission of nerve impulses

Reacts with water easier than Na

Hard to find in nature

Z = 19

What element is this?

Helps transport oxygen in the blood thanks to hemoglobin

Need to supplement fully during pregnancy

Often rusts when exposed to air and water

Z = 26

What element is this?