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

how did the ancient Egyptians protect the tombs from looters?
identify the prepositional phrase in the following sentence: As you know, Sheila entered the writing contest in place of Mark, and she won first prize. ​
A clothing store ordered a new supply of jeans for the fall season and wants to sell off the remains items from the previous spring. What action would the store
Rescue from Without visual effectsand mood created in the grafic novel a wrinkle in time?​
What do AIA, SAG, AFP and AMA all stand for? Select four options.
Solve equation for 5(x - 3) + 2 = 5(2x - 8) - 3​
(2,4) is perpendicular to y:2x
Complete the questionnaire with the correct form of HAVE and the verbs in the box. (Alter/Cut/Deliver/Pierce/Take/Test) How often do you... 1_____your hair_____
HELP ME SOLVE THIS PLSS
f(x) =4 over x - 3 g(x) =x - 2 over x (a) Express the inverse function f −1 in the form f ^-1 (x)