University:
Amherst College
Course:
CHEM 151 | Introductory Chemistry
Academic year:

2020
Views:

174

Pages:

2
Author:

sonalhava9qv

Atomic Math Challenge Atomic number equals the number of atomic number 8 O Oxygen protons electrons _____________ or _____________ chemical/element symbol Atomic mass equals the number of chemical/element name atomic mass 15.999 8 protons neutrons _____________ + _____________ 30 3 O Oxygen _______ Zn ___ Zinc Li lithium _______ 15.999 65.39 6.941 Atomic # = ______ 30 Atomic # = ______ 3 Atomic # = ______ 15.999 Atomic Mass = _________ Atomic Mass = _________ 65.39 6.941 Atomic Mass = _________ 8 # of Protons = ________ 30 # of Protons = ________ 3 # of Protons = ________ 8 35 8 # of Neutrons = ________ # of Neutrons = ________ 4 # of Neutrons = ________ # of Electrons = ________ 30 # of Electrons = ________ 3 # of Electrons = ________ 14 5 35 8 Si ___ Silicon B Boron _______ Br ___ Bromine 28.086 10.81 79.904 14 Atomic # = ______ 5 Atomic # = ______ Atomic # = ______ 28.086 Atomic Mass = _________ 10.81 Atomic Mass = _________ 79.904 Atomic Mass = _________ 5 35 14 # of Protons = ________ # of Protons = ________ 35 # of Protons = ________ 14 # of Neutrons = ________ 6 # of Neutrons = ________ 45 # of Neutrons = ________ # of Electrons = ________ 5 # of Electrons = ________ 35 # of Electrons = ________ 14 16 53 25 S _______ ____ Iodine Mn Manganese _______ 32.06 126.905 54.938 16 Atomic # = ______ 53 Atomic # = ______ 25 Atomic # = ______ Sulphur I 126.905 32.06 Atomic Mass = _________ Atomic Mass = _________ 54.938 Atomic Mass = _________ 16 # of Protons = ________ 53 # of Protons = ________ 74 # of Neutrons = ________ 25 # of Protons = ________ 16 # of Neutrons = ________ 16 # of Electrons = ________ 12 53 30 # of Neutrons = ________ 25 # of Electrons = ________ # of Electrons = ________ 18 19 Mg Magnesium _______ Ar ___ Argon K _______ 24.305 39.948 39.098 12 Atomic # = ______ 18 Atomic # = ______ Atomic # = ______ 24.305 Atomic Mass = _________ Atomic Mass = _________ 12 # of Protons = ________ Potassium 39.948 18 # of Protons = ________ 22 19 39.098 Atomic Mass = _________ 19 # of Protons = ________ 20 12 # of Neutrons = ________ # of Neutrons = ________ # of Neutrons = ________ 12 # of Electrons = ________ 18 # of Electrons = ________ 19 # of Electrons = ________ 79 1 9 ___ Gold H Hydrogen _______ F ___ Fluorine 196.967 1.008 18.998 Au 79 Atomic # = ______ 1 Atomic # = ______ 9 Atomic # = ______ 196.967 Atomic Mass = _________ 1.008 Atomic Mass = _________ 18.998 Atomic Mass = _________ 79 # of Protons = ________ 1 # of Protons = ________ 9 # of Protons = ________ 118 # of Neutrons = ________ 0 # of Neutrons = ________ 10 # of Neutrons = ________ # of Electrons = ________ 79 1 # of Electrons = ________ 9 # of Electrons = ________

Atomic Math Challenge Answer Key

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