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

Do you consider tom walker to be morraly better or worse than the other prominent puritans in boston?

what is a federal law? who enacts it?

the quotient of eight and a number h is written as

how does plants get the necessary reactants to make sugar

Which of the following best describes how Hammurabi’s Code and the Jewish Ten Commandments are similar? A. They were written to retell the myths for each socie

You plug in an extension cord and have to be very careful around the electrical outlet. However, you can handle the extension cord without worry of being shock

Which of the following kingdoms both were known for their pottery? A.Great Zimbabwe and Kongo B.Bunyoro-Kitara and Kongo C.Kush and Kongo D.Mutapa and Grea

9i(4+5i) multiply the following

find the difference of 3/4 + -1 1/4 on a number line

According to a 1993 world bank report East Asian economic growth in the late 20th century was due in part to a. Governments that favored import substitution o