homework1 - c) Number of neutrons = _______ d) Number of...

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Homework #1 Name _______________________ Chem 10 1. ( 4pts) Put a P or a C in the following blanks to denote a chemical or physical change. a) A seed grows into a flower __________ b) Water boils ____________ c) Copper metal is made into a wire ______ d) Egg is hard boiled ________ 2. (2 pts) What is the difference between a scientific law and a scientific theory? 3. (2 pts) What is the difference between the Bohr model and the quantum mechanical model of the atom? 4. (3 pts) List the following temperatures in order from coldest to hottest. 10 ° C 10 K 10 ° F 5. (2 pts) Circle the compounds in the following list. SI Cl Cs CS Sc NO Ni Na
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6. (4 pts) Answer the following question based on the following isotope. a) X = _______________ b) Number of protons = _______________
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Unformatted text preview: c) Number of neutrons = _______ d) Number of electrons = _______________ 7. (8 pts) Answer the following questions. a) Bromine has how many valence electrons? ________________ b) The max number of electrons in quantum energy level 3 is? _______________ c) The Noble gases have how many valence electrons? ___________________ d) Is P a transition metal, metal, or non-metal? __________________ e) What is the max number of electrons in a 3p orbital? __________________ f) What is the charge of a electron? ___________________ g) How many electrons does neutral magnesium have? _______________ h) What is he mass number of zinc with 36 neutrons? _______________ Ge X 73...
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homework1 - c) Number of neutrons = _______ d) Number of...

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