NGUYÊN TỬ của nguyên tố R có khối lượng nặng gấp 14 lần nguyên tử Heli. Hãy cho biết : - Nguyên tử R là nguyên tố nào ?

- Số p, số e trong nguyên tử.

The answer is c - the principal of original lateral continuity. 

1. why does the same side of the moon always face earthc.the rotational period of the moon is equal to one revolution around earth2. which is greater the moons period of rotation or its period of revolution  b.the moons revolution period around earth3.what was the major accomplishment of the apollo missions  d.landing on and exploring the moon4. which of these space missions involved the deployment of lunar rovers d.apollo5. which scientists are going to explore next on kepler-186fd. evidence of existence of life6.which mission is not going to explore the outside of the solar systemb.safir7.which technology limit the future of space exploration b. scientist must first develop certain technologies before missions can be completed.

I️i️ is your a great day weekend for you your baby

The correct answer is:   [a]:   "polar easterlies move cool air to the mid-latitudes."