A phosphide ion has:
A) 10 protons and 13 electrons
B) 12 protons and 15 electrons
C) 15 protons and 15 electrons
D) 15 protons and 18 electrons
E) 18 protons and 21 electrons
Correct Answer:
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Q23: What is the empirical formula for C6H14O
A)
Q24: What are the ions present in the
Q25: What are the two different ions present
Q26: An oxide ion, O2-, has:
A) 8 protons
Q27: Which one of the following is an
Q29: A magnesium ion, Mg2+, has
A) 12 protons
Q30: An aluminum ion, Al3+, has:
A) 13 protons
Q31: What is the empirical formula for C10H22O2
A)
Q32: An iron(II) ion has:
A) 24 electrons and
Q33: How many protons and electrons are present
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