On the first one it is supposed to be 18. when you have a +1 charge you subtract it once. how i got 18 tho was from the protons. there was 19 so i subtracted that with 1 and got 18. hope that helped! :)
btw i’m not the best at explaining, i’m sorry :/
Answer:
Are you in flvs, if so im prettyb sure if yo look on page 3 of lesson 1.04 it tells you the answer.
Explanation:
Questions:
4. Avogadro's Number Is ____.
and
5. How many grams are in 0.90 mol Pd
Answers:
B. 6.02 x 10^23
also
A. 0.00846 g
Hope this helped ! ;)
"decrease" would be your answer
