iamkingg
iamkingg iamkingg
  • 21-01-2020
  • Chemistry
contestada

A single atom of an element has 21 neutrons, 20 electrons, and 20 protons. Which element is it?
оооо

Respuesta :

Teemac Teemac
  • 22-01-2020

Answer:

Calcium

Explanation:

Clacium has atomic number 20. The atomic number. This means that it has 20 protons and 20 electrons. it has 21 neutrons.

Answer Link

Otras preguntas

what two numbers multiply to -105 and add to 8
All of the following statemants about the earths atmosphere are true except: 1.The atmosphere contains all gases that surround the earth 2.The atmosphere has no
log base 6 (3x) + log base 6 (x-4) = 2
12. What action did the United Nations take after World War II that led to a lot of conflict in the Middle East? (Points : 2) It divided Palestine i
what is y=2x+1 as a graph
what's 50 minutes affter1
If earth did not rotate, global winds would follow what path?
The main purpose of the legislative branch is to interpret laws. repeal laws. enforce laws. create laws.
What is 6:57 elapsed time 47 minutes
which includes the physical characteristics of an organism?