Carbon, Helium, Oxygen
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Mine are Hydrogen (in water), Oxygen (in water and air),
and Nitrogen (in air). Helium is not abundant on Earth at all.
Iron, Nickel, Cobalt
Elements listed in the periodic table of elements are neutral; they do not have a charge. When they undergo chemical reactions they may become charged ions. There is no single most common charge for ions, but the most common are -1, -2, -3, +1, +2 and +3.
Oxygen and hydrogen
There are 2 elements that all the organic compounds have. They are carbon and hydrogen. Most organic compounds contain oxygen.
These gases are nitrogen, oxygen and argon.
Iron, Nickel, Cobalt
Iron, Nickel, Cobalt
Elements listed in the periodic table of elements are neutral; they do not have a charge. When they undergo chemical reactions they may become charged ions. There is no single most common charge for ions, but the most common are -1, -2, -3, +1, +2 and +3.
the most common elements are:compass; this is the symbol that shows direction.key; this chart shows you what the symbols on the maps.scale; this shows how much one inch (typically) equals how Meany miles (typically)
Oxygen and hydrogen
Oxygen and hydrogen
Carbon bonds with chlorine potassium and other solids and liquids to make salts.
There are 2 elements that all the organic compounds have. They are carbon and hydrogen. Most organic compounds contain oxygen.
These gases are nitrogen, oxygen and argon.
The most common first languages in the world are Mandarin Chinese, Spanish, and English.
The transition metals are the most common, and are found in the middle (groups 3-12) of the Periodic Table.
The formulas of the most common ions of these elements are Al+3 and Cl-1.