Sun65flower Sun65flower

06-11-2017
Chemistry

contestada

How many neutrons does element X have if its atomic number is 26 and its mass number is 76

Respuesta :

dangerousmattoycs4v dangerousmattoycs4v

07-11-2017

Mass number is the total number of protons and neutrons and atomic number is the number of neutrons.

So you just subtract

Mass number - atomic number = neutrons
(Prot + neut) (Protons)

Answer Link

Otras preguntas

Tyson’s puppy weighed 8 pounds 3 ounces last year. In one year the puppy gained 2 pounds 4 ounces. How much does Tyson’s puppy weigh now in ounces?

write a paragraph on plastic within 50 words

if 4a + 6 = 12 - 2a what is 6a

What is the product? (45+2)(5s2+ 10s+3)

Wyatt has 222 one dollar bills, 222 five dollar bills, and 222 ten dollar bills. How much money does he have in all?

What is the probability of getting tails 4 times in a row while flipping a coin?

Which situation is best modeled with a division expression? finding the number of equal-sized parts into which a number can be split finding the combined value

Which of the following words best replaces the underlined word in the sentence? The detective was trying very hard to crack the case. a. break b. solve c. quest

Should Andrew Jackson be remembered today as a hero for democracy?

a. Identify the biotic limiting factor from the choices below. space b. vegetation C. water d. climate