Laziness travels so slowly that poverty soon overtakes him.

Group Name for IA Alkali Metals

Group Name for IIA Alkaline Earth Metals

How many valence electrons does Chlorine have? 7

Calcium has how many energy levels? 4

What is the oxidation number for group IIA? +2

What is the oxidation # for zinc? +2

____ is when metals can be hammered into thin sheets. Malleable

What is the group number for sulfur? VIA

How many valence electrons does Magnesium have? 2

What is the period number for iron? 4

Periodic Table the elements around us. Lesson 3

Hydrogen and Helium Number 1 and 2 Makes up 90 % of the universe.

Carbon – Atomic # 6 Found in all living things or previously living things. (fossil fuels) Hope Diamond Necklace

Calcium Needed for strong bones and teeth.

Iron Found in the hemoglobin and helps oxygen to be carried in the body

Nitrogen Found in the greatest % in the atmosphere. Most of the world’s nitrogen is not available to living things. Nitrogen makes up over ¾ of the atmosphere.

Oxygen Found in the greatest % in the earth's crust.

Mercury poisoning Occurred during the 1800's due to Mercury being used in treating animal furs for felt hats. This affected the nervous system and symptoms were memory loss, impaired vision and insanity. (Thus the Mad Hatter in Alice in Wonderland)

Metals that are dangerous If ingested in too great a quantity Sb, As, Cd, Cr, Cu, Pb, Hg, Ni, Sn, V, and Mn. Enter the body primarily through the food chain. Once ingested they are deposited in the kidneys, liver and brain, causing sickness or even death.

Synthetic Elements not found in nature but are produced artificially. Man made.

Seaborgium (106) To create they must change a nucleus. Using a linear accelerator to cause a high-energy collision between two particles. To do this they use oxygen and californium.

Lanthanide's Elements 58 – 71 Sometimes called the rare earth elements.

Actinides Elements All are radioactive

IUPAC Stands for - International Union of Pure and Applied Chemistry Represents chemists from all over the world.

Nitinol An alloy of nickel and titanium used in eyeglass frames.

Alloy Mixture of two or more metals at the molten state.