test unit 1 - 2. Section 2 # 2.1 (got 3/3 pts.) Isotopes...

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2. Section 2 # 2.1 (got 3 /3 pts.) Isotopes are atoms of the same element that differ in their number of protons You selected this answer. Your answer is CORRECT # 2.2 (got 3 /3 pts.) Atoms of isotopes You selected this answer. Your answer is CORRECT # 2.3 (got 3 /3 pts.) In the chemical shorthand 14 C, the 14 represents the number of You selected this answer. Your answer is CORRECT
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# 2.4 (got 3 /3 pts.) The number of electrons for an atom of an element is equal to the You selected this answer. Your answer is CORRECT If an atom has 12 protons, how many electrons are in its outer most shell? 2 # 2.6 (got 3 /3 pts.) If an atom has 22 protons and 24 neutrons, what is it's atomic mass (weight)? You selected this answer. Your answer is CORRECT # 2.7 (got 3 /3 pts.) If an atom has an atomic number of 21 and an atomic weight of 44, it has
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You selected this answer. Your answer is CORRECT # 2.8 (got 3 /3 pts.) If an atom has a valence shell that is full it: You selected this answer. Your answer is
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This note was uploaded on 02/10/2012 for the course BIO 106 taught by Professor Unaffiliated during the Winter '11 term at Community College of Philadelphia.

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test unit 1 - 2. Section 2 # 2.1 (got 3/3 pts.) Isotopes...

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