roblLeleydejaela roblLeleydejaela
  • 22-10-2016
  • Chemistry
contestada

If an atom has 18 protons, 15 neutrons, and 22 electrons, what is the atom's electrical charge?
a. -4
b. 7
c. -3
d. -7

Respuesta :

SJ2006
SJ2006 SJ2006
  • 22-10-2016

Charge = number of proton - number of electron = 18-22 = -4

SO, OPTION A IS YOUR ANSWER........

Answer Link

Otras preguntas

The volume V of a pyramid is given by the formula V = height Bh, where B is the area of the base and h is the V-216 cm B 36 cm2 22 a. Solve the formula for h.
!!!HELP!!!!!!!!!!!!!! Endocytosis and exocytosis are forms of active transport. What is active transport?(1 point) A. the movement of molecules up a concentrati
Maria is selling boxes of greeting cards for a school fundraiser. She has sold at least 40 boxes. The embossed cards cost $12 per box. The foil card cost $14 pe
what is the literal meaning of the grasshopper and the cricket
1. As water moves through the water cycle, it has an effect on A the amount of energy transferred by the sun. B. conduction C. the weather. D. the direction of
The poison attacks part of the slime cell called? It's function is?
A rocket is launched from ground level. The height of the rocket can be modeled by the equation h = –16t2 + 180t How long does it take for the rocket to come ba
She _______ work hard to free herself from poverty. A. required B. need to C. have to D. must​
I have absolutely no idea what this is if anyone can help who’s into computer science pleasee
What are the basic rules a worker should follow while transcribing the audio? A) when quoting, the first word of a complete sentence should be capitalized. b) y