HydrogenHydrogenEmma Cordray Emma Cordray

Wow!

Section One!

1 Valence Electron

Atomic Numbe

r

Chemical

Symbol

Element Name

State of Matter(Gas)

By EC (Emma Cordray)

Atomic Mass

Hydrogen is Number One!(literally)

Section Two!

Atomic Mass- 1.01 AMU

3 Common Isotopes- 1. 1H (Protium) 2. 2H

(Deuterium)3. 3H (Tritium)

Common Compounds- H2O,NH3, CH4, C11H22O11, H2O2, HCI

(Water, Ammonia, Methane, Table Sugar, Hydrogen Peroxide, Hydrochloric Acid)

Section Three!Discoverer- Henry Cavendish

October 10, 1731- February 24, 1810

Attended Cambridge University from 1749-1753, but left without a degree

An English Chemist and Physicist who discovered Hydrogen and also discovered Nitrogen

1st to describe the composition of water

Made the first accurate measurement of the density of the earth

Hydrogen was discovered in 1766 in the United Kingdom

I I discoverediscovere

d d HydrogenHydrogen

Section Four! It is found in mines, oils, and gas wells.

Environmental/ Social Impacts- Harmful- highly flammable with a nearly-

invisible flame that can cause accidental burns. Also, getting it from mines is harmful to people and the environment!

Fuel Cells- an engine that burns pure hydrogen makes no pollution. In fact, the only product is clean water! NASA has used liquid hydrogen since the 1970's! Problem- we could run out of the hydrogen and the water to fuel the cells. We are already running out of water, without the fuel cells!

This is promising for heat, electricity, and electric engines.

Long- Term- Sustainability- very sustainable because it is the most abundant element in the universe! Although- it can be difficult to extract.

My Drawing of

Hydrogen

1 Proton

1 Electron

No Neutrons!

Section 6! Family Group and Name- Group One, No Name! (it is not an Alkali Metal)

Non-metal

Density: 0.00008988 g/cm3

Melting Point: -259.34 degrees Celsius

Boiling Point: -252. 87 degrees Celsius

Colorless

Odorless

Tasteless

Standard State- Gas

Crystal Structure- Hexagonal

NASA image-

immense amounts of hydrogen in

remote galaxies

Uses of Hydrogen!Cost- pure- $12 for 100 mg.

1. Haber Project (production of ammonia)

2. Hydrogenation of fats and oils (charge with or cause to be combined with Hydrogen)

3. Methanol Production

4. Hydro-cracking (breaking large hydrocarbons into smaller pieces)

5. Hydrodesulfurization

6. Metal Refining

7. Liquid Hydrogen- used for Rocket Fuel

8. 2 Heavier Isotopes are used in Nuclear Fusion

Did you know...The sun is made partly of Hydrogen?

Uses of Hydrogen- Fuel Cells

Healthier alternative for current hydrocarbon(oil, gas, and coal) based economy.

The only byproduct is clean water- NO POLLUTANTS

Produces energy with none of the pollution

Unfortunately, this is not possible until solar or wind energies can be used commercially to split water into hydrogen and oxygen

Problem- we don't have enough available water to use for this

Interesting Facts!10% of the weight of living organisms is hydrogen!

Liquid Hydrogen has the lowest density of all liquid!

Hydrogen is the only element that can exist without neutrons!

Believed to be one of 3 elements produced in the Big Bang! (Others were helium and lithium)

Most abundant element in the universe!

We owe most of the energy on the planet to hydrogen. The Sun's nuclear fires convert Hydrogen to Helium releasing huge amounts of energy!

Thanks for learning about Hydrogen!

Emma Cordray

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