The energy stored in fossil fuels originated from a) fusion b) lightning c) thermal energy d) electrical energy

How do scientists think that gravity affected the formation of our solar system?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.