gom21van
gom21van gom21van
  • 08-01-2020
  • Chemistry
contestada

An element has atomic number 10 and an atomic mass of 20. How many neutrons are in the atom of this element?
Ο Α. 10
Ο Ο
Oc. 30
OD. O
ΟΕ. 200

Respuesta :

johnlloydganir johnlloydganir
  • 08-01-2020
A.10
20-10=10
Therefore 10 neutrons
Answer Link

Otras preguntas

When a sample of 1,000 U.S. 18- to 29-year-olds diverse in SES and ethnicity was asked, “Do you consider yourself to have reached adulthood?” the majority of th
8 letter word that starts with fade
at a certain time of day, a building casts a 25-foot Shadow. At the same time a six-foot-tall shop Line cast a 15 ft Shadow. How tall is the building in feet?​
Help me please will give points
Give an example of when you had to prove something, and how you did it!
find the total profit or loss for each color of t-shirt​
Solve each equation. Write the solution in simplest form. x = -15 divided by 3/4
Why the per captia income of usa and canada is high
Who were the first emperors to discover America
1. The first formula found for solving cubic equations applied only to cubics without a square term. In modern notation, these look like These are sometimes cal