Activity - composed of atoms of the same element or of...

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Activity Draw a calcium atom. Draw a chlorine atom. Use circles to represent electrons and tell how many protons and neutrons are in the nucleus. Draw calcium chloride. Click here to view the answer. Covalent Bonds Covalent bonds form when atoms share electrons. Hydrogen atoms contain one electron and one proton. In the diagram below, two hydrogen atoms are bonded by a single covalent bond. The two atoms each share a pair of electrons. Molecules Molecules are two or more atoms that are held together by covalent bonds. They may be
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Unformatted text preview: composed of atoms of the same element or of different elements. Example: Methane Carbon has four electrons in its outer shell. It needs four more electrons. Hydrogen needs one. Below: CH 4 The shorthand method for writing methane is CH 4 . It may also be written as shown on the right side of the diagram above. The model of methane below shows that each hydrogen atom (white) is an equal distance apart. The black sphere represents a carbon atom....
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This note was uploaded on 12/15/2011 for the course BIO BSC1010 taught by Professor Gwenhauner during the Fall '10 term at Broward College.

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Activity - composed of atoms of the same element or of...

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