What is the correct symbol for the isotope of copper with a mass number of 63?
A) 
B) 
C) 
D) 
Correct Answer:
Verified
Q11: The mass number is:
A)the sum of protons
Q12: How many neutrons are in a neutral
Q13: Isotopes have the:
A)same number of protons but
Q14: A hypothetical element contains three isotopes of
Q15: Which of the following represents a pair
Q17: The masses on the periodic table are
Q18: Of the following, the radioisotope most useful
Q19: Made up of helium nuclei traveling at
Q20: The form of radioactivity that penetrates matter
Q21: The form of radioactivity that penetrates matter
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