Explanation:
Supposing we have to find the difference between the number of electrons in Selenium and Aluminium.
Well, electrons can be transformed to an atomic number, so if SE is 34, that means it has 34 electrons. AI has an atomic number of 13, which means it has 13 electrons. So the difference is that more electrons than AI are available from SE.
Answer:
1.89 nol Cu(NO3)2
Explanation:
if you calculate it it will be 1.89
Filtration
distillation
crystallization
chromatography
It's b. calcium
because the outer electron structure in all of that element is similar, they have the same chemical and physical properties.<span />
There is a bout 7 grams of protein in 1 ounce of meat, so 7*70=
