emilytaylorr8 emilytaylorr8

15-09-2020
Chemistry

contestada

what is the mass number of an atom or ion with one proton, two neutrons, and one electron?

Respuesta :

fixitfavour fixitfavour

20-09-2020

Answer:

3

Explanation:

mass no.=protons+neutrons

mass no.=1+2=3

Answer Link

Otras preguntas

Harry asked a sample of 4 people how many siblings they had. Here are their responses: 0, 0, 1, 3 The mean is x-bar = 1 sibling. What formula gives the standard

What is the value of n in the equation –1/2(2n + 4) + 6 = –9 + 4(2n + 1)?

Combine the following expressions. Answer right pls, thanks

100 pts!!! HALP MEH!!! In 1848, news of the liberal, nationalist revolt in _____ spread quickly and sparked similar revolts across the continent of Europe. Sel

i want the answer........

regular pentagon abcde is inscribed in a circle. find arch measure ab. if the radius is 6, find ab.

To record a 6% stock dividend, accountants use ________. To record a 55% stock dividend, accountants use ________. A. par value per share; market price p

how would you deal with this hard headeness

why did Britain colonize Ireland way back around the 1600s (or 1700s i cant remember)? I need social, economic and political reasons. Like 3 each.

Solve this quadratic form 3x-2x²=7 this is grade 9