justingajdosz justingajdosz

01-10-2016
Chemistry

contestada

An atom has a mass number of 24 and 13 neutrons. What is the atomic number of this atom? Express

Respuesta :

Аноним Аноним

01-10-2016

A=mass number (protons + neutrons)
Z=atomic number (protons)
N=number of neutrons.

A=Z+N

Data:
A=24
N=13

Therefore:
24=Z+13
Z=24-13=11

Answer: The atomic number of this atom is 11. (The element is sodium)

Answer Link

Otras preguntas

what type of rock can form a metamorphic rock

Can someone help me in probability?Amanda wrote a computer program that generates two random numbers between one and eleven.When she runs it,what is the probabi

What's another name for vital signs?

the perimeter of a square is 4 times as great as the length of any of its sides. Determine whether the perimeter of the square is proportional to the side lengt

how does the carbon cycle work in the desert

There is a turtle race. The race will last 2 minutes. I have to find the distance from the start each turtle will be at the end of the race. Speed (in inches pe

My daughter needs a synonym for tired and all the word she has is problem , story and banquet

How do you say I was born in the Philippines in Spanish

which is more acidic pH2, pH4 or pH6?

water in a pan over a radiator evaporates much faster than a water pan in a table ???? i need help ppl