skhan2603 skhan2603

02-05-2019
Chemistry

contestada

How many neutrons does element X have if it’s atomic number is 35 and it’s mass number is 77?

Respuesta :

kpoplovestar123 kpoplovestar123

02-05-2019

Answer:

Element X has 42 neutrons

Explanation:

To find the number of neutrons in an element you can simple subtract the atomic number by the mass number. So in this case 77-35=42

Answer Link

Otras preguntas

What is the molarity of 0.25 moles of KBr dissolved into 250 ml of solution?

Given British and French military readiness in 1938, was appeasement the only strategy they had available to them to stop German aggression?

help me pls What does the length of the box plot tell you about the data? How many quartiles the box has How many data points are in the data set How close or

If I'm right, none of answer choices are correct. I used substitution and factoring, but couldn't find a solution. I just want anyone's conformation. Thanks!

In what way is the genetic code in all organisms the same?

The formula for the area of a triangle is bh=A. Which of the following is not a possible first step to rearrange this formula to find the base of the triangle?

The adoptation of peast uprising

3. If I give you £90 because I want to give you 90% of my prize, what did I win?

16. Tahlia has 12 cups of flour in her pantry. Each time she bakes cookies, she uses 2 cups of Flour. a. Write an expression that gives the cups of flour Tahlia

Please modify the sentence below to make it a TRUE statement. Strip mining is less harmful to the environment than shaft mining, but more dangerous to miners.