What are the electrons called in the lectrons called in the outermost energy level of an atom? Why are they important (10) (B) Two

What is a magnetic reversal

Which electron configuration represents an atom of magnesium in an excited state? (1) 2-7-3 (3) 2-8-2 (2) 2-7-6 (4) 2-8-5

Write a balanced equation for the reaction between aqueous strontium chloride and aqueous lithium phosphate to form solid strontium phosphate and aqueous lithium chloride.

What periodic group is made up only of nonmetals? What periodic group (s) are made up solely of metals?

What is the final concentration if 75.0 ml of a 3.50 m glucose solution is diluted to a volume of 400.0 ml?

Which temperature is required for the cell potential to be the standard cell potential? A) - 273°C B) 100°C C) 25°C D) 0°C

1. the purpose of the aqueous solutions in a galvanic cell is to? a. provide ions to be oxidized and reduced b. provide a path for the free flow of electrons c. maintain charge balance in the cell d. correct any volume changes in the cell 2.

A. Identify which of the following substances dissolve in water, explaining why for each example: CH4, He, MgSO4, NaHCO3 b.

Hydrogen is a pure substance represented by the chemical symbol h. which of the following best describes hydrogen a. hydrogen is a compound made of only one kind of atom. b. hydrogen is a compound made of two or more kinds of atoms. c.

How to assign oxidation and reduction numbers