banderson211568 banderson211568

14-01-2022
Chemistry

contestada

If an element has a mass number of 222 and an atomic number of 86, how
many neutrons does the element have? *
86
136
138
137

Respuesta :

duckerstar146 duckerstar146

14-01-2022

Answer:

136

Explanation:

The Mass Number is the combination of the amount of Protons and Neutrons in an element, so if the total mass is 222, and the amount of protons is 86, then you can do 86 + x = 222 to find that x is equal to 136

Answer Link

Otras preguntas

How did George Washington play a role in forming the new federal government in 1787?

what number is a factor of 20 but not a multiple of 5

stefan plants seeds for 30 carrot plants and 45 beet plants in 5 rows,with the same number of seeds in each row.how many seeds are planted in each row.

How did the distance between Egypt and other civilizations, such as Mesopotamia, impact the Egyptians?

Which of the following was not available on the manor? a tannery a blacksmith shop salt dyes

Each one of the following sentences contains a clause. In which sentence is the clause used as an adverb? a. All of the delegates who have actual opinions shou

0.661 rounded to nearest hundretg

round 924 to the nearest ten

2 consecutive prime numbers between 1000 and 1500

What company or place does mitochondria resemble in a cell city