Miamigirl Miamigirl

31-01-2015
Chemistry

Answered

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

Answer :

baseballbeast baseballbeast

31-01-2015

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

Other Questions

In 2006, the population of a country was 50.3 million people. From 2006-2050, the country's population is expected to decrease by 6.5%. Find the expected popula

A ton avis,pourquoi les jeunes souffrent-ils des troubles alimentaire please give me your opinions in french I am actually struggling

how would you say they (male) play volley ball in french

Besides supporting and protecting a cell, the cell membrane __ what enters and leaves the cell??

The length of a rectangular picture frame is 2 inches longer than twice the width. If the perimeter of the frame is 34 inches, find the dimensions of the frame.

how do I find out is 28% of 70?

what is the number value of the 2's in 2,200

Most cells __ are porous to water and other materials but strong enough to support and protect cells..

write the sum as the logarithm of a single number.log ˯5 (7) +log˯5 (3)

The length of a rectangular picture frame is 2 inches longer than twice the width. If the perimeter of the frame is 34 inches, find the dimensions of the frame.