Mariaeugeniaferminre Mariaeugeniaferminre

02-11-2020
Chemistry

contestada

What is the symbol of the element that has a mass number of 140 with 82 neutrons?

Respuesta :

wiltedw wiltedw

07-11-2020

Answer:

Cerium-140 (Ce)

Explanation:

Cerium-140 has 52 protons and 82 neutrons and is stable.

Answer Link

Otras preguntas

a) through (7, 1) and perpendicular to y=-x+ 3

What was Parliament's problem with James II that led to the Glorious Revolution? O A. He did not believe in war, making England weak and easy to attack B. He wa

What rules can you use to tell how many protons, neutrons and electrons make up an atom or ion?

What kind of questions CANNOT be answered by chemistry?

Based on your knowledge of flood-prone areas, where would similar technology be useful in the United States?

What is the one check that the courts have against the power of both the President and Congress?

I need your help please unu

Which two states call their counties something else (boroughs and parishes) ? Question 3 options: New York and Maine Virginia and Kentucky South Carolina and Ge

Why is continuity of care important?

Mrs. Dizeu had a summer job that pays $15.00 an hour and she worked between 10 and 40 hours every week. Her weekly salary can be modeled by the equation: S = 15