In a chemical reaction, the total mass of the products . A can be greater or less than the total mass of the reactants B is always less than the total mass of the reactants in an open system C must be less than the total mass of the reactants D must always be the same as the total mass of the reactants

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

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.

What shape would a molecule with two bound groups and two lone pairs have?