Element X reacts with chlorine to form a compound with the formula XCl2. The oxide of element X is basic. Element X is ________.
A) Rb
B) Ca
C) Al
D) P
E) H
Correct Answer:
Verified
Q103: Which nonmetal exists as a diatomic solid?
A)bromine
B)antimony
C)phosphorus
D)iodine
E)boron
Q113: Of the hydrogen halides,only _ is a
Q113: All the elements in group 8A are
Q114: In which orbital does an electron in
Q115: The element phosphorus exists in two forms
Q117: In which orbital does an electron in
Q120: The first noble gas to be incorporated
Q122: Which equation correctly represents the first ionization
Q127: Which of the following has the largest
Q137: _ is isoelectronic with scandium.
A)Cr3+
B)Mn5+
C)Mn
D)Mn4-
E)K+
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