dummydummy17 dummydummy17

17-09-2021
Chemistry

contestada

Find the Protons, Electrons and Neutrons for an atom with the atomic number of 56 and mass number 137

Respuesta :

Scratchnem Scratchnem

17-09-2021

The number of protons and electrons is equal to the atomic number. So there are 56 protons and electrons. The sum of neutrons and protons is the mass number. So 137 - 56 = 81 neutrons.

Number of Protons: 56
Number of Electrons: 56
Number of Neutrons: 81

Answer Link

Otras preguntas

How do jellyfish reproduce?

Where do plants get the carbon they use to make organic molecules?

Find the vertex, focus, and directrix. y = 1/24(x+1)² - 3.

5/6 - 2/6 in simplest form

Please help, the questions just have to be simplified

How do jellyfish reproduce?

How did the U.S. acquire the territories of California, Nevada, Utah, and parts of Arizona, New Mexico, Colorado, and Wyoming in 1848?

Mosaics are constructed from small pieces of stone called what?

what are adjective clauses?

The price of an item increased by 25%. If the price of the item after the increase is $2, find the original price.a) $1.50, b) $1.60, c) $1.75, d) $2.50, e) $3.