Si el átomo x es isoelectrónico con 20Ca2+ e isótono con 32/16s. Hallar el numero de masa de x

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)

Which of the following two events occur to create a sea breeze? select all that apply. warm air rises on the ocean and moves toward the land to cool warm air rises on land and moves toward the ocean to cool cool air moves from the ocean to be warmed by the land cool air moves from the land to be warmed by the ocean