Choose the correct chemical symbol for an atom that contains 20 e? and 24 n.
A) 
B) 
C) 
D) 
Correct Answer:
Verified
Q25: The number of electrons and neutrons in
Q26: The number of neutrons in an atom
Q27: Which of the following statements is incorrect?
A)
Q28: The total number of subatomic particles (protons,
Q29: The number of protons, electrons and neutrons
Q31: Isotopes of a given element _.
A) have
Q32: The nucleus of atom A contains 20
Q33: What is the mass number of a
Q34: Iron is element number 26. This means
Q35: What is the atomic number of an
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