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

Which of the following case decisions gave the U.S. Supreme Court the power of judicial review? Brown v. Board of Education Texas v. Johnson Plessy v. Ferguson

Which of the following is the largest volume? Which of the following is the largest volume? 4.5 x 102 m3 4.5 x 107 cm3 4.5 x 104 dm3 5.0 x 108 mm3

Which statement about the women's suffrage movement of the late 1800s and early 1900s is correct? A. It was led by industrialists who supported women's demands

Cultural diffusion was most advanced by necessary improvements in medical technology post-World War II occupation and education reform nation rebuilding and mul

A democratic government rules within limits set by the constitutional law and citizens right . elaborate

Explain in your own words why (x y)2 ≠ x2 y2. Provide a numerical example to illustrate.

Trina Is Making Friendship Bracelets One Tenth of the bracelets are blue. some of the bracelets are red and some purple. how many bracelets are blue and purple?

meat on a hamburger wighed 90 grams. how many hamburgers can be made from 720 grams of meat?

last year , Katrynas weekly salary was $785.62. This year she got a 3% raise. what is her new weekly salary?

Explain in your own words why (x y)2 ≠ x2 y2. Provide a numerical example to illustrate.