The nucleus of the atom contains the greatest concentration of mass of an atom. which arrow is pointing at the nucleus of nitrogen?

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

When the water vapor cools it condenses select a number that represents his process on the

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.