The outer electron configuration of a group 3a element is
a. ns1np2
b. ns2np2
c. ns1np1
d. ns2np1

Ase your answer to this question on the information below.hydrocarbons and fissionable nuclei are among the sources used for the production of energy in the united states. a chemical reaction produces much less energy than a nuclear reaction per mole of reactant.the balanced chemical equation below represents the reaction of one molecule of a hydrocarbon with two molecules of oxygen.chemical equation: ch4 + 2o2 → co2 + 2h2o + 1.48 × 10−18 jthe nuclear equation below represents one of the many possible reactions for one fissionable nucleus. in this equation, x represents a missing product.nuclear equation: write an isotopic notation for the missing product represented by x in the nuclear equation.

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

When did stem cell research become known ? who discovered stem cell? what experiments or studies have been conducted so far?