Question

How many electrons does the isotope oxygen-18 have?

6

8

10

18
@MissSmartiez

Answer 1

c right?

Answer 2

no no its b

Answer 3

isotopes are always 8.

Answer 4

E

Answer 5

so... now i confused myself

Answer 6

sorry it cut my chat off...

Answer 7

Either 8 or 10,

Answer 8

I am thinking 8, this is confusing me also.

Answer 9

isotopes always stay the same. so i know isotopes are 8

Answer 10

but its electrons...

Answer 11

https://quizlet.com/50426812/chapter-4-study-guide-flash-cards

Exactly, that is why I think it is 8,

Answer 12

true!

You seem to know more than I XD

Answer 13

ohhhhh

Answer 14

"
How many neutrons are in oxygen-18? You need a periodic table to answer this question.

10

18 is the mass number which is protons and neutrons together. The atomic number of oxygen (8) indicates how many protons there are. 18 minus 8 gives 10 neutrons. "

This was on the link

Answer 15

so its 10.

Answer 16

Oh geez, then another thing says it has 8 protons, 10 electrons and 8 neutrons.

Answer 17

Yea isotopes have identical electron configurations as the "normal" most abundant isotope that appears on the periodic table.

Answer 18

I wonder if sweet burger can help

Answer 19

So Oxygen-18 has the same number of electrons as Oxygen-16

Answer 20

:D ok! Writing this down,

Answer 21

uhhh....im lost guys

Answer 22

Oxygen-16 being the isotope that appears on the periodic table.

Answer 23

Ok ill try to explain it, but what part is confusing you.

Answer 24

lol. yes. everything. I know that the isotope is 8. but everything else is kinda....confusing...

Answer 25

aaand this is why i double check my answers

Answer 26

Ok Oxygen-16 is the isotope that appears on the periodic table. It has 8 protons and 8 neutrons. The number of protons and the number of neutrons form the number after Oxygen which is Oxygen-16. Oxygen-16 also has 8 electrons which balances the 8 protons to form a neutral charge.

Now when considering Oxygen-18. We know that protons do not change in isotopes or the charge of the atom would change, therefore the neutrons must change. The number of neutrons is 10 and the number of protons is 8. This form the the number after the oxygen which is Oxygen-18. Because Oxygen-18 still has 8 protons it still needs to have its charge be neutralized by the presence of 8 electrons. Therefore the number of electrons in Oxygen-18 is 8.

Answer 27

Exactly, I am sticking around too, since I was confused..

I only knew that the isotopes are 8.

Answer 28

ohh

Answer 29

ohhhhhhhhhhhhhhhhhh

Answer 30

#facepalming

Answer 31

^ xD

Answer 32

this is also why i need sweetburger in my life

Answer 33

So it makes sense :D.

Answer 34

Let me join in.

Answer 35

* face palms *

I feel odd since I am the youngest. XD.

(Yes it does)

Answer 36

thaaank youuu

Answer 37

Ditto, sweet burger.

Answer 38

Thanks :)

Answer 39

Np glad to help out :D