Mariaeugeniaferminre
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 wiltedw
  • 07-11-2020

Answer:

Cerium-140 (Ce)

Explanation:

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

Answer Link

Otras preguntas

Evaluate: 5-3 xwhen x=-7 Substitute-7 for x.
1-In your opinion, how important is the appearance of a restaurant’s menu? 2-What do you think is the most important aspect of an Internet marketing campaign? E
a) The ratio 20 minutes to 1 hour can be written in the form 1:n. Find the value of n. n = b) The scale on a map is 1 : 25000 How many kilometres on the ground
If Johnny has 30 apples and he gives them out evenly to 3 people how much apples does each person get
What did the blockades during the war of 1812 effect?
what is the estimated age of the trilobite fossils (bottom layer of fossils)?
Sophie's favorite number is a two-digit number. If she reverses the digits, the result is 45 less than her favorite number. The sum of the digits in her favorit
what group of people did Hitler blame for the majority of Germany’s economic problems
if the womens world record holder ran the 400 meter race at a constant speed, how long did it take her to run each 100 meter segment of the race
Find the value of the function sin 12pi/7