Which is an example of a compound? sand, gold, water, iodine

The earth's crust is part of which sphere?

Hydrochloric acid reacts faster with powdered zinc than with an equal mass of zinc strips because the greater the surface area of the powdered zinc decreases the frequency of particle collisions

In an lonie lattice: A atoms are bonded to four others in a Tetrahedral shapes atoma are packed together in a regular euble arrangement e. atoms are bonded with a single bonds and one double bond D.

At what temperature in K will 4.00 moles of gas occupy a volume of 12.0 L at a pressure of 5.60 atm?

Which idea did john dalton include in his atomic theory? a. all atoms are the same size. b. atoms of the same element are identical. c. each atom has a dense, positive nucleus. d. atoms can gain or lose electrons to become ions.

For the baeyer-villiger oxidation of cyclohexyl methyl ketone

What will happen if the density of an object is less than the density of water?

Which cannot be separated into simpler substances? compound element solution mixture

What jobs involve chesmistry

Think about a neutral magnesium atom. Then think of a magnesium ion with a 2+charge. How are these two alike? How are they different? Be sure to use the terms proton, neutron, and electron in your answer.