Jacks7k1ZamuellSelli Jacks7k1ZamuellSelli

10-06-2016
Chemistry

contestada

How many protons are in the radioactive isotope 40/19K

Respuesta :

MAXTORRES27 MAXTORRES27

10-06-2016

I am assuming K is potassium and potassium atoms have 21 protons and 21 neutrons. hope that helps some

Answer Link

mjd0623 mjd0623

28-11-2018

The answer to this question is 19

Answer Link

Otras preguntas

eed uses 8 pieces of glass per square foot to make a stained glass window. How many pieces of glass will he need to make a window that is 864 square inches?

A factory produces 1000 bottles of pasta sauce in a day. Fifty bottles are selected at random to determine whether they weigh the correct amount. The factory re

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! Enter the explicit rule for the geometric sequence. 120, 40, 40/3, 40/9, 40/27, ...

Select the correct answer. In Sophocles's Greek tragedy Oedipus the King, Oedipus discovers that he has unknowingly killed his biological father and married his

This time he fell on his knees, and, clasping his hands convulsively, uttered a prayer intelligible to God alone. He soon became calmer and more happy, for only

A cross section is the intersection of what and a what

Write an algebraic expression for the phrase the sum of g and 3.

3 times the sum of 6 and a number is 33

7/50 as a decimal an percent

Zadanie optymalizacyjne z matematyki. Proszę o rozwiązanie i wyjaśnienie