Multiple Choice
What is the symbol for an ion of an element which has 56 protons and 54 electrons.
A) Ba2+
B) Ba2-
C) Xe2+
D) Xe2-
E) Ds2+
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q20: How many protons are there in an
Q77: Predict which ionic compound has the highest
Q79: A nail is coated with a
Q81: What is the mass of 8.04
Q83: A neutral atom of the isotope <sup>197</sup>Au
Q84: Which element is most likely to form
Q85: In reactions,metals generally lose electrons to become
Q86: The mass spectrum of an element with
Q87: Pure oxygen can exist as O<sub>2</sub> or
Q87: A sample of an element consists of