Multiple Choice
How many electrons are in the ion,Fe2+?
A) 24
B) 26
C) 28
D) 56
Correct Answer:
Verified
Correct Answer:
Verified
Q50: Assume that the mixture of substances in
Q51: Which element indicated by letter in the
Q52: Which is not true?<br>A)Mendeleev ended each row
Q53: Identify the chemical symbol of element Q
Q54: Which of the following elements is a
Q56: The chemical formula for rubidium peroxide is<br>A)RbOH.<br>B)RbO<sub>2</sub>.<br>C)Rb<sub>2</sub>O.<br>D)Rb<sub>2</sub>O<sub>2</sub>.
Q57: The chemical formula for calcium telluride is<br>A)Ca(TeO<sub>3</sub>).<br>B)Ca(TeO<sub>2</sub>).<br>C)CaTe.<br>D)CaTe<sub>2</sub>.
Q58: Which of the following represent isotopes? A:
Q59: What is the chemical symbol for manganese?<br>A)Hg<br>B)Mg<br>C)Mn<br>D)Na
Q60: The compound,Sn(IO<sub>3</sub>)<sub>2</sub>,is named<br>A)tin iodate(II).<br>B)tin(I)iodate.<br>C)tin(I)iodate(II).<br>D)tin(II)iodate.