What happens during all chemical changes?

Select one:

A. Matter changes to a different phase.

B. Atoms rearrange to form new substances.

C. Protons turn into electrons.

D. Molecules split apart.

What is the abbreviated electron configuration of cobalt?

Which type of reproduction are exact copies of the parent formed

Which is the correct orbital diagram for carbon? 2s 2p OB. 1s 2s 2s 2p C. 1 2s 2p

Which of the following questions can be answered by science? Are mind, body, and soul related to one another? Are physical and chemical changes a part of nature? Does studying science have better prospects than studying history?

Salt is an ionic solid and oxygen is a covalent gas. which substance would have greatest attraction between particles? and why?

Tyrell is doing an experiment to find out which evaporates faster-water, liquid soap, or apple juice. To make sure Tyrell experiment is a fair test, he should A. use three containers that are the same size and shape. B.

If an atom of Bromine (Br) becomes an ion, which of the following does it most likely form? a. Br+ b. Br7+ c. Br- d. Br7-

The language of variables

Which of the changes are physical changes

When PCl5 solidifies it forms PCl4 + cations and PCl6 - anions. According to valence bond theory, what hybrid orbitals are used by phosphorus in the PCl4 + cations?