staceyblksotpvdy staceyblksotpvdy

03-07-2018
Chemistry

contestada

How many neutrons does an element have if its atomic number is 41 and its mass number is 170?

Respuesta :

Аноним Аноним

15-08-2018

atomic number = protons.

protons+neutrons=atomic mass.

170 (mass) - 41 (proton/number) = 129

that should be ur answer. I hope this helps!

Answer Link

Otras preguntas

¿Qué oración es impersonal? Naden en el lago si quieren. Se puede nadar en este lago. Las autoridades permiten nadar en este lago. Se reúnen para nadar en el la

is y=6x-3 a function

Which of the following statements are true about the angles in the figure? Select all that apply. O ZX and ZZ are vertical angles. OZX and Y are a linear pair.

write in slope intercept form 2y+x=1

17 = a + bb is one more than awork out the values of a and b(simultaneous equation)

What is the area of this trapezoid? 340 cm² 427.5 cm² 440 cm² 487.5 cm²

write the following situation as a proportion, 10 sandwiches feed 8 kids, how many sandwices will feed 30 kids

what is projectile motion?Give 3 applications of it in our daily life.

What else would need to be congruent to show that ABC = XYZ by ASA

math questionawdAawdadaDaWD