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 does it mean if two different ratios describe the same situation

What is ironic about the conversation over tea in to kill a mocking bird?

round 57.1 to the nearest hundredth

Eduardo, who is 64 years of age and single, received wages of $15,000, interest income of $3,000, dividends of $2,000, municipal bond interest of $7,000 and sta

What is 78 with an exponent of 1 million?

How the vote was won: woman suffrage in the western united states?

Which option accurately describes Anton van Leeuwenhoek’s impact on the scientific community during the Scientific Revolution? He invented the seed drill, whic

When does a spring have more elastic potential energy? When does a spring have less elastic potential energy?

An auto accident has occurred. The car was traveling on an asphalt road with a drag factor of 0.75. The braking efficiency was 100%. The car left skid marks of

Is it possible for the incenter of a triangle to be outside the triangle?