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3. What of the following determines an atom's identity?
A. Protons
B. Neutrons
C. Electrons
D. Nucleus
Answers: 3
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Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
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Which of these is a density dependent factor? a. epidemic b. earthquake c. drought d. hurricane
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In an exothermic reaction at equilibrium, what is the effect of lowering the temperature? a. the reaction makes more products. b. the reaction makes more reactants. c. the reaction is unchanged.
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3. What of the following determines an atom's identity?
A. Protons
B. Neutrons
C. Elect...
B. Neutrons
C. Elect...
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