lilia2565 lilia2565

16-03-2016
Chemistry

contestada

An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element?

Respuesta :

rockingholly24 rockingholly24

17-03-2016

Atomic mass is found by adding the number of protons and neutrons together. The atomic number tells you how many protons an element has.
So since this element has 10 protons and an atomic mass of 20, there are 10 neutrons in this element.

Answer Link

Otras preguntas

What is the equation of a circle with a center (-2, 3) and a radius r = 5?

"Dr. Dweck and The Growth Mindset" Dr. Carol Dweck studied two groups of 10-year-olds who had to answer questions that were too hard for their age group. Dr.

If you don't know the author of a source, you should A. make it up B. use the title of the article or book C. use the name of the Web site D. use the page numbe

The gas tank of Ty's truck holds 19.8 gallons. when the tank is empty, Ty fills it up with gas that costs $3.65 per gallon. how much will it cost to fill the ta

The word, phrase, or clause to which a pronoun refers ti is called the Adjective Clause Antecedent Subordinate pronoun Relative

What is the best word to describe the mood of "In Another Country"? (If it helps its by Ernest Hemingway) HopefulDejectedSurprisedIndifferent

Estimate and then evaluate the expression 412.87 + 14.941

How did the Catholic Church pay for the many religious works of art? offerings indulgences wealthy individuals royalty

Which sentence best explains the reason victor frankenstein fall (a) he wishes for financial gain more then love (b) he wanted to b successful both scientifical

What is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5