herbertcruz herbertcruz
  • 25-02-2022
  • Chemistry
contestada

3. Which particles determine the mass number?

Respuesta :

cactus999
cactus999 cactus999
  • 25-02-2022

In an atom almost all of its mass is gathered right in its centre called the nucleus which consists of protons and neutrons in it

Therefore, 

the number of protons and the number of neutrons determine an element's mass number.

mass number = no. of protons + no. of neutrons.

Answer Link

Otras preguntas

Solve division problem around answer to nearest hundredth 9.2 / 52.063
Find the number of 4 digit numbers with no repeated digits.
one-third of the planet���s land area is used for what purpose?
Neutrons are neutral. this means that a. neutrons are not involved in chemical reactions. b. neutrons do not have a charge. c. neutrons do not have mass. d.
Which choice reflects a symbol and it's meaning in the rainy day?
Name two parts of the water cycle in which contaminants can be introduced.
Which two overcome major obstacles to achieve their goals?
I have to circle the one that fits correctly
which expression is the simplest form of (8x^-6)^1/3
A hormone attaches to a target cell at a receptor protein. What do you know about this hormone? it is steroid hormone it will bind directly to DNA it is able to