Chemical compounds
a. are always made up of several atoms with the same number of protons.
b. can be made up of one atom with several different elements in it.
c. can be made up of a combination of different elements.
d. are always made up of one type of element and one type of atom.

Zinc + lead(ii) nitrate yield zinc nitrate + leadwhat's the chemical equation for this?

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.