311C F08 Worksheet_1 - NAME BIO 311C F08 Discussion Worksheet#1 The Chemical Context of Life 1 An atom consists of a nucleus and an outer part

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Unformatted text preview: NAME _________________________ BIO 311C F08 Discussion Worksheet #1 The Chemical Context of Life 1. An atom consists of a nucleus, and an outer part called the electron cloud. The nucleus contains ______________ and ______________. 2. Fill in the charge for each type of subatomic particle: a. Proton ____________ b. Neutron ___________ c. Electron ___________ 3. The atomic number of an element indicates the number of ____________ in the nucleus of the atom, and also tells us the number of ___________ outside the nucleus. This number is unique for each element. 4. The mass number of an element can vary. This number is the sum of the _____________ and ___________ of an atom. Thus, you can determine the number of _________ by subtracting the atomic number from the mass number. 5. Draw the structure of a magnesium atom (atomic number 12 & mass number 24). 6. Isotopes of an element differ in the number of neutrons found in the nucleus. (A) One isotope of chlorine has 17 protons and 18 6....
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This note was uploaded on 02/02/2009 for the course BIO 311C taught by Professor Satasivian during the Spring '08 term at University of Texas at Austin.

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311C F08 Worksheet_1 - NAME BIO 311C F08 Discussion Worksheet#1 The Chemical Context of Life 1 An atom consists of a nucleus and an outer part

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