Multiple Choice
How many electrons does a barium ion have?
A) 56
B) 8
C) 54
D) 44
E) 2
Correct Answer:
Verified
Correct Answer:
Verified
Q79: How many of the following statements are
Q80: The formula of calcium sulfide is<br>A)CaS.<br>B)CaSO<sub>2</sub>.<br>C)CaSO<sub>3</sub>.<br>D)CaSO<sub>4</sub>.<br>E)Ca(SO<sub>4</sub>)<sub>2</sub>.
Q81: A _ is the symbolic representation of
Q82: Which of the following molecules contains the
Q83: The formula for aluminum bromide is<br>A)AlB.<br>B)AlBr.<br>C)Al<sub>2</sub>Br<sub>3</sub>.<br>D)AlBr<sub>2</sub>.<br>E)AlBr<sub>3</sub>.
Q85: The complete combustion of pentane yields carbon
Q86: What is the symbol for the element
Q87: Which name-formula pair is incorrect?<br>A)hypochlorous acid,HClO<sub>2</sub><br>B)titanium(IV)carbide,TiC<br>C)strontium nitride,Sr<sub>3</sub>N<sub>2</sub><br>D)magnesium
Q88: According to the law of multiple proportions:<br>A)the
Q89: How many electrons does the ion <img