Multiple Choice
What is the formula of calcium nitrite?
A) Ca(NO2) 2
B) Ca3N2
C) Ca2(NO2) 2
D) Ca2N3
E) Ca(NO2) 3
Correct Answer:

Verified
Correct Answer:
Verified
Q49: The mass spectrum of an element with
Q50: The correct name for Zn<sup>2+</sup> is<br>A)monozinc ion.<br>B)zinc
Q51: The chemical name for the binary,non-ionic molecule
Q52: A subatomic particle is<br>A)a piece of an
Q53: Which of the following nuclides contains more
Q55: What is the correct formula for manganese(III)oxide?<br>A)MnO<br>B)Mn<sub>2</sub>O<br>C)Mn<sub>3</sub>O<sub>2</sub><br>D)Mn<sub>2</sub>O<sub>3</sub><br>E)MnO<sub>2</sub>
Q56: The complete combustion of propane,C<sub>3</sub>H<sub>8</sub>,yields carbon dioxide
Q57: Which of the following equations is not
Q58: A 2.0-g sample of washing soda,Na<sub>2</sub>CO<sub>3</sub> •
Q59: Which of the following elements has the