devnlizabem3ma7chey
devnlizabem3ma7chey devnlizabem3ma7chey
  • 21-09-2016
  • Chemistry
contestada

How to find the mass number of an element?

Respuesta :

VickNeves
VickNeves VickNeves
  • 21-09-2016
Mass is the number of protons + number of neutrons. Because electrons don't have significant weight.
Answer Link

Otras preguntas

The first atom bomb was tested in which u.S. State?
Now suppose that households in this economy allocate each additional dollar of income in the following way. Households continue to save $0.20 of each additional
Mike and Dena are painting a fence. if Mike has done 1/3 of the job and Dena has done 2/7 of the job, what fraction of the job is left to be finished?​
The manufacturer of cans of salmon that are supposed to have a net weight of 6 ounces tells you that the net weight is actually a normal random variable with a
3. Simplify the square root. -{144}
If Linda wants to use an academic search engine, which of the following should she select
On January​ 1, 2018, McHenry Manufacturing Corporation purchased a machine for $ 40 600 000. ​McHenry's management expects to use the machine for 27 000 hours o
A career placement test eliminates a profession when a person receives a score of 18 or less. If the score is calculated using the formula of the difference bet
For a solution of acetic acid (CH3COOH) to be called “vinegar,” it must contain 5.00% acetic acid by mass. If a vinegar is made up only of acetic acid and water
What do diffraction and refraction have