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

There's an optimization problem for my AP Calculus class that I am stuck on: You just adopted an iguana and are trying to build a pen with a rectangular bottom

Which of the following is the characteristic of a music of the Romantic period? a. Dramatic contrast of dynamics and pitch b. Texture is mainly homophonic with

Which best explains whether a triangle with side lengths 2 in., 5 in., and 4 in. is an acute triangle? The triangle is acute because 2^2 + 5^2 > 4^2. The t

MORE MORE FREE POIN'T

Which area of the stage was out of view of the audience

standard precautions differ from transmission-based precautions in that standard precautions

Subtract and reduce to lowest terms. 3 3/7 - 2 1/5= 1 1/8 1 1/35 1 4/17 None of these choices are correct.

who is father of india

MORE MORE FREE POIN'T

Discuss the advantages of computerised systems over manual systems