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

Point A and point C are located on the coordinate grid below. A non-integer answer should be entered as a decimal, rounded to the hundredths place. The distance

Determine whether each phrase describes carboxylic acids or esters. Usually have a sour odor____. Form hydrogen bonds amongst themselves and have lower vapor p

Please help!!!!ill mark you as brainliest!!!!!

What are the advantages of using signal flow graph over the block diagram reduction?

The Martian Corporation, a space vehicle development company, is starting a new division that will develop the next-generation launch missile engine configurati

3) Write an explicit formula for the sequence: 45, 41, 37, 33

please help me, I’ve been on this for 30 mins + I’m an idiot

solve these equations show solutions on a number line. |x+8|=x+8

Write a rule for g. Describe the graph of g as a transformation of the graph of f. f(x) = x^4 - 3x^2 - 2x, g(x) = - f(x)

I need some help please!