How many core electrons does magnesium (Mg) have?

What kind of bond is not formed by the differences in electronegativity

Which orbital is the first to fill with electrons in a given principal energy level

According to collision theory, what must particles have in order to react when they collide?

How much oxygen be required to produce 3.9 mol of water

A sample of nitrogen gas, occupies a volume of 400ml at 2 atm pressure. What pressure must be applied to compare the gas to a volume of 200ml at constant temperature and fixed amount of gas

Indicate which reactions are redox reactions. check all that apply. check all that apply. 2na (s) + cl2 (g) →2nacl (s) cd (s) + pb2 + (aq) →cd2 + (aq) + pb (s) pb (no3) 2 (aq) + 2licl (aq) →pbcl2 (s) + 2lino3 (aq) c (s) + o2 (g) →co2 (g)

If the mass of a material is 119 grams and the volume of the material is 20 cm3, what would the density of the material be?

There are some exceptions to the trends of first and successive ionization energies. For each of the following pairs, explain which ionization energy would be higher: (a) IE₁ of Ga or IE₁ of Ge (b) IE₂ of Ga or IE₂ of Ge (c) IE₃ of Ga or IE₃ of Ge

Bases in solution produce what type of ions? a. sulfide ions b. chloride ions c. hydroxide ions d. hydronium ions

How many earth minutes are represented by 0.1 martian sol