gisselleruiz2cool gisselleruiz2cool
  • 13-01-2021
  • Chemistry
contestada

12. What is the mass number of an atom that has 4 protons, 4 electrons, and 5 neutrons?

Respuesta :

yazewers yazewers
  • 19-01-2021

Answer:

9

Explanation:

mass number = protons + neutrons

= 4 + 5 = 9

Answer Link

Otras preguntas

Weathering – Decide whether the statement is an example of chemical or mechanical weathering. Write “M” for mechanical or “C” for chemical in the space provided
what rating would you give the book Anne frank: the diary of a young girl?
what is the equation of a line through (-1 4) and (1 -2)
I need help ASAP with personal finance
Options Se Conozco Conoce Sabes
Find the values of X,y and z
At Petco they have 3 hamsters for every 2 guinea pigs. Write this ratio in all 3 ways.
Please help!!!!!!!!!!!!!!!!!!!!
Yo, just wondering, how has society discouraged smoking?
find the cost of painting square board of size 36 CM at the rate of $4 per square centimetre​