What scientist described a positively charged core in the middle of the atom

Out of the following, which is the best acid/base to use to prepare a buffer with a pH of 11.00? a. hydrogen peroxide b. phenol c.

A molecule of two nitrogen atoms and four oxygen atoms what is the molecule formula for this compound

How many atoms of phosphorus are in 4.5 grams of tetraphosphorus decoxide?

Which is a characteristic of a solution?

What do scientist do at their job?

What does the chemical formula C3H2O, tell about a molecule of the compound it represents?

No two different elements will have the atomic number.-

Which two scenarios illustrate the relationship between pressure and volume as described by Boyle's law? 1. The pressure in a closed bottle decreases when the bottle is squeezed. 2.

0.210 mol of octane is allowed to react with 0.760 mol of oxygen. which is the limiting reactant?

The national drug code number (NDC) of the drug is included in this section of a drug monograph