Iodine has an electronegativity of 2.5, and potassium has an electronegativity of 0.8, so the difference is:
2.5 - 0.8 = 1.7
hydrogen and helium and the most abundant elements in a nebula.
The correct answer is "B. Make a Hypothesis".
B, they belong to group 1
A: Li is period 2 and Na is period 3
C: Na has one more electron shell
D: Not related to how it is spelled
Answer:
He was an American statesman, politician, legal scholar. military commander, lawyer, banker and economist.
