Multiple Choice
Which group of elements reacts violently with water?
A) halogens
B) noble gases
C) alkali metals
D) alkaline earth metals
Correct Answer:

Verified
Correct Answer:
Verified
Q186: Which of the following statements does not
Q187: In the following drawings,shaded spheres represent cations
Q188: _ does not combine with any other
Q189: The gas Freon-11,CCl<sub>3</sub>F,contains<br>A)C<sup>4+</sup>,Cl<sup>-</sup>,and F<sup>-</sup> ions.<br>B)C<sup>4+</sup>,Cl<sub>3</sub><sup>-</sup>,and F<sup>-</sup> ions.<br>C)C<sup>4+</sup>
Q190: By analogy with the oxoanions of sulfur,H<sub>2</sub>TeO<sub>3</sub>
Q192: A property that depends on the amount
Q193: Use the periodic table below to answer
Q194: Phosphate ion has the formula _.
Q195: Three atoms have the following properties. <img
Q196: Which of the following is the correct