What determines the order of placement of the elements on the modern Periodic Table?

1. atomic number

2. atomic mass

3. the number of neutrons, only

4. the number of neutrons and protons

When 2.85 moles if chlorine reacts with excess tin hiw many moles of tin (IV) chloride are formed

Is Sodium chloride an element, compound, or mixture?

How many molecules are in 2.50 moles of 02

The chemical formula of glucose is carbon 6 hydrogen 12 oxygen 6. What are the names of the elements in glucose and how many atoms of each element are present in a glucose molecule?

Select the correct answer. An ion has a net charge of 3+. If this ion has 8 protons, how many electrons does it have? A. 3 B. un OC. 7 D. 00 E. 11

How are natural polymers and synthetic polymers similar? A) Both are made up of phosphates and organic bases B) Both serve important roles in producing amino acids C) Both are made up of monomers that are linked by covalent bonds

How can the solubility of a solution be increased? By increasing the temperature. By decreasing the temperature. By increasing the amount of solvent added. By decreasing the amount of solvent added.

Read the scenario. Ammonia is obtained from a reaction between nitrogen and hydrogen gases. The mole ratio between hydrogen gas and nitrogen gas is 3 to 1, and the mole ratio between ammonia and hydrogen gases is 2 to 3.

Transmutation is the process of transforming one element into another through nuclear reactions. What will be the nuclide produced when Cf-249 is bombarded with C-12? Four neutrons are also produced by the reaction.

State the formula for density in words and mathematical symbols.