Bluefox09 Bluefox09
  • 03-11-2020
  • Chemistry
contestada

which model correctly represents a
beryllium atom​

which model correctly represents a beryllium atom class=

Respuesta :

toofeealyahya
toofeealyahya toofeealyahya
  • 03-11-2020

Answer:

A

Explanation:

because its the atomic number is 4 so 4 = 4 electrons and 4 neutrons, the mass is 9 so 9-4= 5 so 4 electrons on the ring, 4 protons inside and 5 neutrons inside

Answer Link

Otras preguntas

Read the excerpt from Act I of The Importance of Being Earnest. Lady Bracknell. Well, I must say, Algernon, that I think it is high time that Mr. Bunbury made
In which country did miguel hidalgo led the revolution against spain?
TWENTY POINTS. Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. If the d
2.5 milligrams is equivalent to how many grams
what actions did Americans take to show their patriotism after peal harbor
A 500g object falls off a cliff and losers 100 J from its gravitational potential energy store. if the gravitational field strength g=9.8N/kg, how high is the c
Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?
I know #2 is D. I just need to know why
HELP ME PLS!!!! asap!!!!
I am so confused can someone help !