Element X reacts with chlorine to form an ionic compound that has a formula of XCl2. To which group could element X belong? (1) Group 1 (2) Group 2 (3) Group 13 (4) Group 15

Which of the following is an arrhenius acid? a brønsted-lowry acid? a lewis acid? it is possible for an acid to be of more than one type.

What happens when two forces act in the same direction? A. They cancel each other out. B. The stronger one prevails. C. Their strengths are added. D. Their sum divided by two is the total force.

In comparison to an atom of F-19 in the ground state, an atom of C-12 in the ground state has (1) three fewer neutrons (2) three fewer valence electrons (3) three more neutrons (4) three more valence electrons

22 days converted into how many seconds?

The process by which land becomes more desertlike

What are the three particles of an atom

Which of these are the largest? asteroids, comets, meteors, or are they all the same size?

A) the ka for acetic acid (h3cco2h) is 1.737 * 10-5. what is the pka for this acid? b. use the pka calculated above to determine the ph at which [h3cco2h]=[h3cco2-].

Suppose you take a piece of hard wax from an unlit candle. After you roll the wax between your fingers for a while, it becomes soft. What State of matter is the softer wax? Is it possible for wax to change without changing state

Prevailing winds peru