False Alkaline earth metals is group 2
Na = 23 x 2.40 = 55.2
O = 16 x 2.40 = 38.4
H = 1 x 2.40 = 2.40
55.2 + 38.4 + 2.4 = 96
2.40 mol of NaOH = 96 amu
Answer:The distribution of electrons in an atom is called as Electronic Configuration. Formula 2n2 helps in the determination of the maximum number of electrons present in an orbit, here n= orbit number.
Explanation:
The right answer is= <span>rolling, fluid, and sliding</span>
<span>plagioclase feldspars have striations and potassium feldspars don't have striations</span>
