Which of these properties is the best one to use for identification of an element? the number of neutrons in the atomic nucleus the number of protons in the atomic nucleus the number of isotopes that are formed by the element the number of charges on ions of the element

When the earth was formed and cooled, why did nickel and iron end up in the center of the earth while basalt and granite ended up in the outer layers

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)