TheCoolMan015 TheCoolMan015

11-04-2018
Chemistry

contestada

How many neutrons does element X have if its atomic number is 31 and its mass number is 84?

Respuesta :

11-04-2018

Atomic number is protons + electrons
Mass number is protons + neutrons
So to calculate the number of neutrons, you do
atomic number - atomic mass
31 - 84 = - 53

Answer Link

maxizakh25 maxizakh25

22-02-2021

Answer:

Atomic number is protons + electrons

Mass number is protons + neutrons

So to calculate the number of neutrons, you do

atomic number - atomic mass

31 - 84 = - 53

Explanation:

Answer Link

Otras preguntas

Which form best describes the poem The Tide Rises, the Tide Falls

What value completes the table?

A car enters a horizontal, curved roadbed of radius 50 m. the coefficient of static friction between the tires and the roadbed is 0.20. what is the maximum spee

Explicit formula for geometric

Is the forensic scientist the only expert who examines and analyzes the physical evidence used in criminal investigation?

Which of these is an example of a chemical change apex?

Simplify (√3)(5√3) A 3 1/10 B 3 3/5 C 3 9/10 D 3 7/10

An ATM machine offers the customer cash withdrawal in multiples of $10. The minimum withdrawal is $10 and the maximum is $100. List the dollar amounts of cash t

a waffle recipe uses 3 cups of mix for 4 waffles. How much mix would you need to make 12 waffles

“Your salary is $25,000 and you will be receiving a 2.5% pay increase this year. What will your new salary be?”