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

suppose you're adding 43 and 28 will you regroup? explain

Picture is linked with it. please help me!

I need to study for a test tomorrow and I got these questions online can anyone please tell me the answers.

Which tier of the Indian caste system was made up of poor farmers and menial laborers and was reserved for non-Aryan people? A: Kshatriyas B: Brahmans C: Sudr

What were citizens of the polis expected to do? Choose all answers that are correct. A. serve on juries B. Fight to defend the polis C. Obey the laws they liked

Lilly takes a train each day to work that averages 35 miles per hour. On her way home, her train ride follows the same path and averages 45 miles per hour. If t

Tim worker decided to purchase a new dvd player on an installment loan. the dvd player was $295.00. tim agreed to pay $31.00 per month for 12 months. what is th

What did the rejection of the League of Nations, the higher tariffs imposed by the Fordney-McCumber Act, and the emergency quota at all point to during the earl

anyone speak english? correct my words please "I can not get away from you even though we are only siblings"

Which has the same sum as 7+8