blatss8jaimeJaccoyc blatss8jaimeJaccoyc

03-03-2017
Chemistry

contestada

How many neutrons does element x have if its atomic number is 42 and its mass number is 160? neutrons?

Respuesta :

armyguy1050 armyguy1050

06-03-2017

118
mass number is the protons plus the neutrons.
And the atomic number is equal to the amount of protons in an element.
Therefore, 160-42=118.

Answer Link

Otras preguntas

One disadvantage of cloning is A-scientists can study why nerve cells don't multiply B-allows the continuation of species facing extinction C-scientists can stu

A half life of cobalt is 5.27years. Approximately how much a 399 g sample will remain after 20 years?

What is the surface area of a prism that has detentions of: length is 5.5, width is 6, and the hight is 2.4

Help with spanishhhhh

Help me on this one to stuck

What hormone regulates the formation of urine

portable parts are the parts of a word that have ____ and can be used and understood in other words. A. Suffixes. B. Prefixes. C. Word Roots. D. Meaning

PIZ HELP ME WITH THIS

Vera runs a stable. 15 horses currently board at the stable, and 7 of them are palomino. What is the probability that a randomly chosen horse will be palomino?

A competitor will often lower prices in an effort to __________. A. increase trade B. attract business C. create monopolies D. decrease production