Multiple Choice
The solid compound,Mg(NO3) 2,contains
A) Mg2+,N5+,and O2- ions.
B) Mg2+ ions and (NO32- ions.
C) Mg 2+ and (NO32- ions.
D) Mg(NO3) 2 molecules.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Which of the following statements about positrons
Q77: Which of the following represent isotopes?<br>A: <img
Q78: The isotope represented by <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB4939/.jpg" alt="The
Q80: Which is the only element that contains
Q81: Which nuclide below is most likely to
Q83: The compound,SO<sub>3</sub>,is named<br>A)sulfate.<br>B)sulfite.<br>C)sulfur trioxide.<br>D)sulfur ( VI)oxide.
Q84: The chemical formula for potassium peroxide is<br>A)KOH.<br>B)KO<sub>2</sub>.<br>C)K<sub>2</sub>O.<br>D)K<sub>2</sub>O<sub>2</sub>.
Q149: The nuclear transformation potassium-40 argon-40 + ?
Q154: What is the mass of one atom
Q223: Which is most likely to form a