Activity 1: Shorthand Writing Directions: Using the periodic table, determine the atomic number, atomic mass, number of protons, neutrons
and electrons. Remember, Atomic number = number of protons, also the number of electrons, Atomic weight
or atomic mass = no. of protons + number of neutrons, Number of neutrons = Atomic mass - atomic number.
Study the example.
Atomic Number = 1 Atomic Mass = 1 No. of Protons = 1 No. of Electrons =1 No. of Neutrons = 0
and electrons. Remember, Atomic number = number of protons, also the number of electrons, Atomic weight
or atomic mass = no. of protons + number of neutrons, Number of neutrons = Atomic mass - atomic number.
Study the example.
Atomic Number = 1 Atomic Mass = 1 No. of Protons = 1 No. of Electrons =1 No. of Neutrons = 0
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