What period 4 element forms an ion with a -1 charge?
A) sulfur
B) bromine
C) iodine
D) rubidium
E) potassium
Correct Answer:
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Q20: Which pair of elements will form an
Q21: If atoms with the electron-dot symbols shown
Q22: Which atom fits the electron-dot symbol shown
Q24: What is the chemical formula for the
Q25: What is the name of the SO42-
Q44: What is the formula for chromous cyanide?
A)CrCN
B)Cr(CN)2
C)Cr(CN)3
D)Cr2CN
Q49: What is the charge on the chromium
Q51: The correct name for Ag2O is _.
A)silver
Q59: Which compound has the highest melting point?
A)KCl
B)CH4
C)C6H12O6
D)H2O
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