Aluminum Al2713 has an atomic molar mass of 27 grams per mole.
Al has 13 protons (hence number 13) and it most common isotope 14 neutrons for a total mass of 27 amu. ( The 13 electrons add no measurable mass to the atom)
Take the grams and divide by the molar mass
= 2 moles
Answer:
C- a method of testing an idea
Answer:
1.60×10¹⁴ s⁻¹
Explanation:
When an electron jumps from one energy level to a lower energy level some energy is released in the form of a photon.
Answer: All of these answers are sorrect
ExplanationA scientist does all of these things while operforming a experiment
Answer:
Starts with a solid
The solution of solids starts with the solution of one or the other solutes which may also include solid or gaseous chemicals in a solvent. The tendency for any two or more materials to form a solid solution is an intricate matter which involves the quantum, crystallographic, and chemical properties of the substances under consideration.
Hope this Helps
--Jay