What makes up nearly all of the atom's mass?

How many major reservoirs does carbon move between? A. 3 B. 4 C. 5 D. 2

When compounds form, what is one result for the atoms that bonded?. A. a stable arrangement of electrons. B. an unstable arrangement of electrons. C. more than eight electrons in their valence shell. D.

Who thought everything was made from fire, earth, air, and water? A. Ancient Egyptians B. Democritus C. Socrates D. Aristotle SUBN

Stephanie was on medication for a cough when she was tested for alcohol levels using the PBT. Though she did not consume much alcohol, what could be the possible reason for a high reading? A. The device was faulty. B.

You move a 25N object 4 meters. Find the work you did

1) What is the electron configuration of an electrically neutral atom of sodium? 2) What is the electron configuration of an electrically neutral atom of neon? 3) What is the electron configuration of an electrically neutral atom of oxygen?

5.1 ounces to grams.

Flowering plants reproduce from seeds which role does an Apple play in this process

What would make bromine a group 17 element more similar to a noble gas

Use the following chemicals. ethanol, hexane, butanone, water, benzene, diethyl ether, ethyl acetate, acetone 4. Rank the solvents based on polarity, smallest to largest.