beastboyy beastboyy

21-06-2019
Chemistry

contestada

if a neutral atom of beryllium has 4 protons and 5 neutrons, what is the mass number of the atom?

Respuesta :

victorbakora victorbakora

22-06-2019

Answer:

9

Explanation:

mass number =protons+neutrons

Answer Link

Otras preguntas

Jennifer's basketball team played 18 games this season, and they won twice as many games as they lost. How many games did they lose? A) 6 B) 9 C) 12 D) 15

what was the first most famous French explorer and what was he famous for discovering

find the inverse function for the function f(x)=-6x+2

Compare a photon and quantum. How are they alike? How are they different?

Mr. Thomas spent $1,600 of his savings on a television set and 2/5 of the remainder on a refrigerator. He had 1/3 of his original amount of savings left. a) Wha

What are some study sights other than Quizlet?

3/4 equals what over 8

what disease killed many member of keats's family, including himself and his mother? a.typhoid b.cancer c.tuberculosis d.smallpox

What are the 5 mechanisms through which natural selection occurs?

what is the solution?