MiheyKuz6052 MiheyKuz6052

01-02-2022
Chemistry

contestada

an atom has 70 protons, 70 electrons, and 99 neutrons. what is the mass number? group of answer choices

Respuesta :

emmadaron13 emmadaron13

08-02-2022

Answer:

169

Explanation:

protons+neutrons=atomic mass

70+99=169

Answer Link

Otras preguntas

Find Domain of the functionsquare root of (x-8)/x(x-9)

find an equivalent expression without parentheses -(50x-15y+15)=

Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What

find an equivalent expression without parentheses -(50x-15y+15)=

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??

Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What

Marika and Freddy sold 70 homes for Ron Realty. If Marika sold 2.5 times as many homes as Freddy, how many homes did each sell?

Find Domain of the functionsquare root of (x-8)/x(x-9)

Scarcity is the condition of not having enough goods and services to satisfy everyone's?

Can someone use the word delta in a sentence