Periodic Table 3. Hydrogen. Hydrogen is diatomic (comes in a pair). Highly reactive (explosive) Hindenburg – famous German zeppelin (airship) that blew up (should have used Helium). Alkali Metals. Group 1 (Lithium, Sodium, Potassium, Rubidium, Cesium, and Francium) Very reactive
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IMPORTANT TO YOUR HEALTH
Mg (Magnesium) deficient = muscle spasms, and has been associated with cardiovascular disease, diabetes, high blood pressure, anxiety disorders, migraines and osteoporosis
IMPORTANT TO OUR BODIES
VERY BAD POISON
Arsenic – kills you
BAD FOR OUR BODY
Fluorine /chlorine Gas – poisonous - - causes severe skin burns
For example, when they give you the symbol Na, you look for Na and give its name (sodium).
When they give you its name (sodium), you give its symbol (Na).
Mass of 1 mole of sulfur atoms = 32
Mass of 2 moles of sulfur atoms 2(32) = 64
Oxygen’s mass number = 16
Oxygen’s number of protons = 8
(Mass number) – (Number of protons) = Neutrons
(16) - (8) = 8