Answer:
If a material gains electrons, its going to be Negatively charged
If a material loses electrons, its gonna be positively charged.
Explanation:
Why?
This is because electrons are negative subatomic particles
Mass of 1 centigram is equal to 0.01 grams
So, option C is your answer!
Hope this helps!
Answer: B) 2+
Explanation:
There are exactly 2.54 centimeters in an inch, the closest option is:
B) 2+
Answer:
Explanation:
molecular weight of gold = 197
converting 10.2 g into moles
no of moles = 10.2 / 197
= .0518 moles
one mole of any element contains 6.02 x 10²³ number of atoms
.0518 moles will contain 6.02 x .0518 x 10²³ atoms of gold
= .311 x 10²³ no of atoms of gold .
= 3.11 x 10²² no of atoms of gold
The picture is blurry I can’t see the thing
