miniking78 miniking78

11-03-2021
Chemistry

contestada

Question 14 (1 point)
A magnesium atom has 11 neutrons. What is the mass of this magnesium atom?

Respuesta :

chasityplayer chasityplayer

11-03-2021

Answer:

Mass=23

Explanation:

Mass= Protons + neutrons

Atomic number is the number of protons in magnesium.

Atomic number =12...So there are 12 protons

12p + 11n = 23

Answer Link

Otras preguntas

who spends 2/3 of his money on a video game before spending half of his remaining money on lunch if his lunch cost $10 how much money did he have at first

Can someone READ THIS AND HELP ME ANALYSE IT!!!!!I need to analyse this. I need to 1.Make a question for all this text? 2.Answer it widely, by explaining my tho

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!! Elige el verbo que NO es una forma correcta del imperfecto.

Determine the intercept of the line 4x -1 = 3y + 5.

Who are the characters for Tuck Everlasting?

A rope is 250 centimeters long you need the rope to be 1 1/2 meter long how many centimeters should you cut off

If the pH of a 1.00-in. rainfall over 1300 miles2 is 3.30, how many kilograms of sulfuric acid, H2SO4, are present, assuming that it is the only acid contributi

which major responsibility does the department of state have ?

Give 3 examples of jobs that are declining or have been eliminated by computers

As a Healthcare Manager, you may be asked to suggest "value added" services which may include standard communication, education, and information. List five (5)