Answers

2014-06-18T17:16:00+05:30
N - Nitrogen
O - Oxygen F - Fluorine
Ne - Neon
 Na - Sodium
 Mg - Magnesium
 Al - Aluminum, Aluminium
Si - Silicon
 P - Phosphorus
S - Sulfur
Cl - Chlorine
 Ar - Argon
K - Potassium
 Ca - Calcium
 Sc - Scandium
22 - Ti - Titanium
V - Vanadium
 Cr - Chromium
25 - Mn - Manganese
26 - Fe - Iron
27 - Co - Cobalt
28 - Ni - Nickel
29 - Cu - Copper
30 - Zn - Zinc
31 - Ga - Gallium
0
2014-06-18T17:29:19+05:30
A elements or compounds, when we are talking about in chemistry is simply any substance that is made up of two or more elements which react with one another. The elements must be present in fixed ratios for eg in water H2O 2 hydrogen and 1 oxygen is in fixed ratio. There are many types of compound, like Alcohol (C6H5OH) is an organic compound composed of carbon, water has hydrogen and oxygen. carbon dioxide (carbon and oxygen), copper 2 sulphate (copper, sulphur, oxygen) and hydrogen chloride HCl (chlorine and hydrogen),hydrogen peroxide (H2O2),Baking Soda (NaHCO3),NaCl(sodium, chlorine)
0