idk12345660 idk12345660

23-09-2020
Chemistry

contestada

If Argon has a mass number of 40 and an atomic number of 18, how many electrons does a
neutral atom contain?

A.40
B.20
C.22
D.18

Respuesta :

rebeccali45024571121 rebeccali45024571121

23-09-2020

C) 22 because the mass of a neutron is 1 amu and a proton is also 1 amu, so 40-18=22

Answer Link

Otras preguntas

When evaluating promotional claims, it is important to __________.a.do your own research c.determine if there are other possible solutions b.ask if it makes sen

If f(x) = x²-5x and g(x) = 2x-3, which expression represents the product of these two functions?1) x²-3x-32) 2x³-13x²+15x3) 9x²-15x4) 2x³-15x

how does climate affect the type of biome found in an area?

What Is Social Rejection? need help

What determines which stage occurs after a supernova?

??? What is Continuing Education?

If f(x) = x²-5x and g(x) = 2x-3, which expression represents the product of these two functions?1) x²-3x-32) 2x³-13x²+15x3) 9x²-15x4) 2x³-15x

20/40 - 21/40 x 80/7 Reduce answer in lowest terms. HELP.

What Is the 1976 Copyright Act?

what is pi and sqaue root of 3