Problem: You may want to reference (Pages 56 - 61)Section 2.6 while completing this problem. (Determine the number of neutrons and number of protons)1940 K

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Symbol for an element or ion is as follows:





Atomic # = # of protons = # of electrons (neutral element)

Atomic mass = # of protons + # of neutrons

# of neutrons = 40 – 19 = 21 neutrons


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You may want to reference (Pages 56 - 61)Section 2.6 while completing this problem. (Determine the number of neutrons and number of protons)

1940 K

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