That0neH1s0kaS1mp That0neH1s0kaS1mp

02-09-2021
Biology

contestada

If an atom has 123 protons, and a mass of 256, what is the atomic number of this element?
A. 123
B. 256
C. 133
D. None of these

Respuesta :

noobnoob013360 noobnoob013360

02-09-2021

123. The atomic number is always equal to the number of protons. It’s also always equal to the number of electrons

Answer Link

Otras preguntas

Find the total surface area and volume of the figures below?

What is the range of the function?

please help I'll be your best friend

f the voltage in a circuit is 80 volts and the resistance is 20 ohms, what is the current?

Thank you everyone who helped me

how many liters of air pass through your lungs in an hour if each breath brings 1 liter of air into the body.

4x + 8y = 20 and -4x + 2y = -30

Bali is a lovely Indonesian island and tropical paradise. It is a lush, green place, with rice fields and forest-covered mountains. Bali is made up of a cluster

Corvert 412% in a fraction

evaluate this expression 5+3(8-2)