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 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

word: diverge .. what are the stems of this word and some synonyms?
if you wanted to describe an increase in volume to your class which of the following objects would be the best item to use?
What is the gcf and lcm of 18 and 15
Who were the earliest people in west Africa
Three terms , 19-6x , 2 + 4x , 6x + 1, are in arithmetic progression . a) Calculate the value of x .
What number is eight more than twice forty six ?please show the solution .Thank you
What have farmers in the Amazon River Basin found to be the cause of reductions in the soil's fertility? ( a) the scarcity of tractors and modern farm equipment
Is the bond type of PCl3 polar or nonpolar? And is its molecular polarity polar or nonpolar?.
A scientist uses artificial selection to produce a new type of cow. Compared to their parents, the new cows are
7/9w=7 what does this mean? Please help