Which of the following exists mainly as cations in compounds?
A) P
B) Ga
C) As
D) Si
E) Sr
Correct Answer:
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Q1: The electron affinities of elements are always
Q2: When metallic hydrides are heated, they
A) decompose
Q4: Trends in electron affinity are similar to
Q5: Aluminum oxide dissolves in aqueous base .What
Q6: Al2O3(s) dissolves in aqueous acid to produce
A)
Q7: Write an equation for the second ionization
Q8: Which of the following pairs of elements
Q9: The valence electrons of elements in the
Q10: Which of the following is a basic
Q11: Which of the following does not act
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