U2_2QSA_Lucia_Zuloaga_Casanueva

Periodic table

Phosphorus

Symbol: P Atomic number: 15 Atomic mass: 30.97 Description: Is a non-metal that exists in several forms. It is essential for life and is key component od DNA, teeth and bones. Curiosities:

• It is very reactive.
• It is has different forms.
• It glows in the dark.
• It is toxic in some forms.

Sulfur

Symbol: S Atomic number: 16 Atomic mass: 32.06 Description: Sulfur is a yellow non-metal with a strong odor. It is used in chemicals and is essential for proteins in living organism. Curiosities:

• It is used in fertilizers.
• It is brittle.
• It smells like rotten eggs.

Silver

Symbol: Ag Atomic number: 47 Atomic mass: 107.87 Description: Silver is a shiny metal. It has the highest electricial conductivity of all elements and is used in electronics. Curiosities:

• It is used in jewelry.
• It is very soft.
• It is used in photography.
• It conducts electricity best.

Copper

Symbol: Cu Atomic number: 29 Atomic mass: 63.55 Description: Copper is a reddish metal with excellent electrical and thermal conductivity. It has been used by humans for thousands of years. Curiosities:

• It is used in coins.
• It conducts electricity.
• It is used in wires.
• It is recyclable.

Iron

Symbol: Fe Atomic number: 26 Atomic mass: 55.85 Description: Iron is strong, magnetic metal. It ir essential for transporting oxygen in blood and is widely used in manufacturing. Curiosities:

• It is strong.
• It is used in construction.
• It is magnetic.

Lithium

Symbol: Li Atomic number: 3 Atomic mass: 6.94 Description: It is the lightest metal and is highly reactive, especially with water. Curiosities:

• It is used in medicine.
• It is a metal.
• It is used in phone batteries.
• It can float on water.

Silicon

Symbol: Si Atomic number: 14 Atomic mass: 28.09 Description: Silicon is hard, brittle metalloid. It is the second most abundant element in the Earth´s crust and is essential for electronic devices. Curiosities:

• It is used in computers.
• It is found in sand.
• It is used in solar panels.

Oxygen

Symbol: O Atomic number: 8 Atomic mass: 15.999 Description: Oxygen is a colorless, odorless gas essential for respiration. It supports combustion and is a main component of water and the atmosphere. Curiosities:

• It is necessary for life.
• It was discovered in 1774.
• It makes up 21% of air.
• It is used in hospitals.

Calcium

Symbol: Ca Atomic number: 20 Atomic mass: 40.08 Description: Calcium is a reactive alkaline earth metal. It is essential for strong bones and teeth and plays role in muscle function. Curiosities:

• It is found in milk.
• It is essential for muscles.
• It is a metal.
• It is found in shells.

Magnesium

Symbol: MgAtomic number: 12 Atomic mass: 24,31 Description: Magnesium is a lightweight, silvery metal. It burns with a bright white flame and plays an important role in biological processes. Curiosities:

• It is found in plants.
• It reacts with acids.
• It used in medicine.
• It is essential for humans.

Hydrogen

Symbol: HAtomic number: 1Atomic mass: 1.008Description: Hydrogen is a colorless, odorless, tasteless. At room temperature, it is the lighthes and most abundant chemical element in the universe.Curiosities:

• It is found in water.
• It has only one proton.
• It is essential for life
• It is highly flammable

Potassium

Symbol: K Atomic number: 19 Atomic mass: 39.10 Description: Potassium is a soft and higly ractive alkali metal. It is essential for proper muscle contraction and nerve function. Curiosities:

• It is essential for life.
• It is a metal.
• It is found in bananas.

Zinc

Symbol: Zn Atomic number: 30 Atomic mass: 65.39 Description: Is a bluis-silver metal. It is important for immune system and is used to protect other metals from corrosion. Curiosities:

• It is found in food.
• It is used in sunscreen.
• It prevent rust.

Uranium

Symbol: U Atomic number: 92 Atomic mass: 238.029 Description: Uranium is heavy, radioactive metal. It is used as fuel in nuclear power plants and in scientific research. Curiosities:

• It is radioactive.
• It is very heavy.
• It can glow.
• It was discovered in 1789.

Chlorine

Symbol: Cl Atomic number: 17 Atomic mass: 35.45 Description: Is a greenish-yellow toixc gas. It is widely used to disinfect water and in the production of chemicals and plastics. Curiosities:

• It is a gas.
• It is found in salt.
• It is smells strong.
• It is used in pools.

Carbon

Symbol: CAtomic number: 6 Atomic mass: 12.011 Description: Carbon is a non-metallic element that is the basis of all known life. It can form strong bonds with other atoms. Curiosities:

• It forms diamonds.
• It is used in pencils.
• It forms graphite.
• It has many forms.

Helium

Symbol: He Atomic number: 2 Atomic mass: 4.0026 Description: Is a colorless, odorless and non-toxic noble gas. It is the second lightest element. Curiosities:

• It is mainly found in stars and gas deposits.
• It was discovered on the Sun.
• It is ligther than air.

Sodium

Symbol: Na Atomic number: 1 Atomic mass: 22.99 Description: Is a soft, silvery alkali metal that is highly reactive. It is commonly combined with chlorine as sodium chloride. Curiosities:

• It is found in salt.
• It is never found alone.
• It is essential for nerves.

Gold

Symbol: Au Atomic number: 79 Atomic mass: 196.97 Description: Gold is dense, soft and shiny precious metal. It is highly resistant to corrosion and has been used for coins throughout history. Curiosities:

• It is shiny.
• It is used in jewelry.
• It is used in electronics.

Aluminium

Symbol: Al Atomic number: 13 Atomic mass: 26.98 Description: Aluminium is a ligthweight, silvery metal that is resistant to corrosion. It is abundant in the Earth´s crust. Curiosities:

• It conducts electricity.
• It is used in cans.
• It does nor rust.