group 15

group 15 - It also is used to freeze-dry food and as a...

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Group 15, the Nitrogen Group
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Group 15—The Nitrogen Group Nitrogen and phosphorus are required by living things and are used to manufacture various items. Representative Elements These elements also are parts of the biological materials that store genetic information and energy in living organisms.
Background image of page 2
Group 15—The Nitrogen Group Although almost 80 percent of the air you breathe is nitrogen, you can’t get the nitrogen your body needs by breathing nitrogen gas. Representative Elements Bacteria in the soil must first change nitrogen gas into substances that can be absorbed through the roots of plants. Then, by eating some plants, nitrogen becomes available to your body.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Group 15—The Nitrogen Group Ammonia is a gas that contains nitrogen and hydrogen. Representative Elements When ammonia is dissolved in water, it can be used as a cleaner and disinfectant. Ammonia also can be converted into solid fertilizers.
Background image of page 4
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 6
Background image of page 7
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: It also is used to freeze-dry food and as a refrigerant. Group 15The Nitrogen Group The element phosphorus comes in two formswhite and red. Representative Elements White phosphorus is so active it cant be exposed to oxygen in the air or it will burst into flames. The heads of matches contain the less active red phosphorus, which ignites from the heat produced by friction when the match is struck. Group 15The Nitrogen Group Phosphorous compounds are essential ingredients for healthy teeth and bones. Representative Elements Plants also need phosphorus, so it is one of the nutrients in most fertilizers. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching....
View Full Document

Page1 / 7

group 15 - It also is used to freeze-dry food and as a...

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online