gerardojcastillo gerardojcastillo

06-10-2020
Chemistry

contestada

If an atom has 18 protons,17 neutrons,and 19 electrons what is the atom electrical charge?
A +2
B +1
C -2
D-1

Respuesta :

margaretdmh13 margaretdmh13

06-10-2020

Answer:

D: -1

Explanation:

18 protons so +18

19 electrons -19

neutrons dont count there neutral

-19+18= -1

Answer Link

sisulansirinne sisulansirinne

06-10-2020

Answer: D: -1

Explanation: All protons have a +1 charge, neutrons are neutral, and electron have a -1 charge. Therefore it can be concluded that if the atom has 18 protons which all have +1 charge and 19 electrons which all have -1 charge, then the atom will have a -1 charge since 18-19=-1

Answer Link

Otras preguntas

...............what is (9x^2-3)^6

Why do clouds from help me !!

1/3 cup of black beans provides 20% of the potassium you need daily. you must get the remaining 1,360 milligrams from other sources. how many milligrams of pota

On a cloudless day the sky is blue until the sun begins to set, when the sky grows noticeably redder. How does scattering cause this phenomenon?

Which statement describes the use of control rods? Control rods are lowered into the reactor to slow down the reaction by absorbing neutrons. Control rods are l

Which statement is true about supporting details? A good reader attempts to distinguish between essential and nonessential details. Noting nonessential detail

Three times a number added 2 is 5.

which process separates duplicated genetic material within the nucleus of a parent cell to create two daughter cells with identical genetic material?

How did the railroads help the nation to develop

Helen ran 12 kilometers i. 66 minutes.She ran at the same speed the entire time. How many kilometers did he run after 22 minutes?