susShekhbunnn susShekhbunnn

23-05-2016
Biology

contestada

How many neutrons does element X have if its atomic number is 58 and its mass number is 163

Respuesta :

taskmasters taskmasters

23-05-2016

Number of neutron = mass number - atomic number
= 163 - 58

Number of neutrons of element X is 105.

Answer Link

Otras preguntas

It took Lisa 2 hours to read the first 100 pages of a book. Then she read the last 44 pages in 1 hour. How many pages did she read per minute for the whole boo

Two areas of study which give us the primary information about early English history are geography, biology, or literature and books, archaeology, or geology?

The two principal ways to describe Earth’s structure are based on the _______.

find the mass of 3.00 mol of acetic acid, C2H4O2

What are some effects of the journey titled "The Trail of Tears"?

__________ : trade between countries that is free of import-export quotas, duties, or other governmental restrictions. a. Fair trade b. Free trade c. Price f

Cause-and-effect paragraphs and persuasion paragraphs are very similar to a. arguments. b. essays. c. transitions. d. pronouns.

How long was 1 million days ago in hours in scientific notation

Frank has two same size rectanles divided into the same number of equal parts. One rectangle has 3/4 of the parts shaded and the other has 1/3 of the parts. Is

Ernie deposited $4000 between two savings accounts. One account paid 4% simple interest and the other paid 2%. At the end of one year, Ernie had earned $140 in