According to the bohr model of the atom, the single electron in what motion of a hydrogen atom circles the nucleus

Calculate the change in entropy if br2(l) is converted into gaseous br atoms. s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)

Draw the lewis dot structure for each of the following polyatomic ions

Correct relationship between molecular formula and empirical formula