funwitfayy funwitfayy

03-09-2020
Chemistry

contestada

A atom has 20 electrons, 21 neutrons, and 20 protons. What is the atomic mass of the atom?

Respuesta :

poudelbinda8 poudelbinda8

12-09-2020

name= calcium

atomic mass= 40.078 atomic mass unit

no of protons= 20

no of electrons=20

Answer Link

Otras preguntas

Joel made some muffins. He gave 1\4 of the muffins to a neighbor.He took 3\8 of the muffins to school.What fraction of muffins is left?

Which of the following refers to the Islamic pillar requiring all Muslims who are financially and physically capable to make a pilgrimage to Mecca once in their

is copper a liquid, solid, or gas when it's room temperature?

Is there any disadvantage to a government subsidizing domestic firms to make them able to compete in price with cheaper imported goods? No, it helps domestic co

What job employed the majority of people in egypt?

clara has a coupon for $10 off at her favorite clothing store. the coupon is applied before any discounts are taken. the store is having a sale, and offering

With which economic system is Smith most associated? A. capitalism B. colonialism C. constitutionalism D. communism

is energy released or absorbed during the formation of a solution?

What number is eight more than twice forty six ?please show the solution .Thank you

w/7=0.3 w=? please solve i have finished my hw and this one is so confusing to me