staceyblksotpvdy staceyblksotpvdy

03-07-2018
Chemistry

contestada

How many neutrons does an element have if its atomic number is 41 and its mass number is 170?

Respuesta :

Аноним Аноним

15-08-2018

atomic number = protons.

protons+neutrons=atomic mass.

170 (mass) - 41 (proton/number) = 129

that should be ur answer. I hope this helps!

Answer Link

Otras preguntas

8x3+70÷7-7 tell accordingly the correct answer will be marked as brainliest

The quickbooks online advanced desktop app can be installed on which operating system?.

Which of the following is NOT true about steroid hormones? Select one: A. All of the choices are true. B. They bind on cell membrane receptors. C. The cannot be

Term Definition 7. Independent variable a. The number of unpopped popcorn kernels 8. Controlled variable b. The brand of popcorn 9. Responding variable c. The t

The government organization that gives dietary guidelines is the _____. usda fbi dea fda

A rational expression simplifies to 3. the denominator of the original expression is given. which polynomial is the numerator?

5x + 13y=232 12x + 7y= 218

Some children research their classmates' favourite colour. They show the results in a pie chart. 40 children were asked about their favourite colour. How many c

It needs to be 700 words!!!! If you were going to build a brand new city today, where would you want to put it? Why? Remember, you want to have a city with a fu

Explain two beliefs about the trinity