funwitfayy funwitfayy

03-09-2020
Chemistry

contestada

A atom has 20 electrons, 21 neutrons, and 20 protons. What is the atomic mass of the atom?

Respuesta :

poudelbinda8 poudelbinda8

12-09-2020

name= calcium

atomic mass= 40.078 atomic mass unit

no of protons= 20

no of electrons=20

Answer Link

Otras preguntas

Which statement describes the relationship between chromosomes, genes, and alleles? A. Alleles transfer genes to the appropriate location within a chromosome. B

Please help and explain how to do it

6. Which choice shows the proper way to use a colon? Warnings are written: on the following labels medicines, cleaning products, and some foods. Warning: If tak

What is 5/8 equal to

Describe how the tectonic plates move. Describe the layers of the earth and how they are different from each other.

A toddler takes off running down the sidewalk at 270 ft/min. One minute later, a worried mother runs after the child at 580 ft/min. After how many minutes will

The water cycle is driven by energy from the sun which process and the water cycle is caused directly by the Suns energy ? A. Evaporation B. condensation C. Pr

What were some things settlers hoped to find in the New World?

What is negative 94/21 converted into a positive number?

if carbon dioxide is completely removed from a plants environment, what would you expect to happen to the plants production of high energy sugars? A. the same n