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

What Is a Zionist? Please help me :)

Find the explicit formula that produces the given sequence. 3/2, 3/4, 3/8, 3/16,...

what is 5m+6+m-18=60

The molar heat of fusion of gold is 12.550 kJ mol–1. At its melting point, how much mass of melted gold must solidify to release 235.0 kJ of energy?

How do I factor 2y^2 - y - 10

What do you think was the most serious problem faced by settlers in Virginia? Why?

Find the next two terms in the following sequence. 13, -5, -35, -77,...

What are the essential 4 parts for a civilization to develop? Explain how rivers were the source of civilization?

how do I divide a fraction to a decimal

does anybody know how to write 45/70 in simplest form????