Miamigirl Miamigirl

01-02-2015
Chemistry

contestada

write the symbols for the following isotopes: Its atoms contain 50 electrons and 70 neutrons

Respuesta :

baseballbeast baseballbeast

01-02-2015

Since this element has 50 electrons you know that it has 50 protons. The number of proton= the atomic number. Atomic number 50 is tin. The atomic symbol for tin is Sn and the weight is 120. So this is the tin 120 isotope

Answer Link

Otras preguntas

AD contains BC and AD=40. A point on AD is chosen at random. The probability that the point is also on BC is 0.2. What is BC?

HELP!!Which table represents a function? х O 3 5 9 х 0 3 lo 3 у 1 | 10 | 16 | 10 Y у 1 10 16 14 A B В Х 0 3 5 0 Х 5 3 5 9 у 1 | 10 | 16 | 11 у 1210 16 10

ill mark brainliest, question is attached.

The angles in this diagram are complementary. (4x)° (2x + 6°) What is the value of x?

Help Please . its due in 5 hours and i cant find answers

Find the missing angle measurement. A. 41° B. 49° C. 139° D. 149°

In 1632, the Roman Catholic Church condemned the ideas of the Italian scientista) Nicolaus Copernicus b) Galileo Galileic.) Johannes Keplerd) Isaac Newton

If you know the answer then answer it please?!?!

HI! Another question for you guys to figure out. Thanks for all the help!

what served as a major inspiration for early blues music