Explain the Law of Octaves given by Newland.

(N/A) John Alexander Newland in $1865$ proposed the Law of Octaves.
- Law: "Every eighth element has properties similar to the first element."
- The relationship is analogous to the musical scale where every eighth note resembles the first. For his work,he was later awarded the Davy Medal in $1887$ by the Royal Society,London.

Element	$Li$	$Be$	$B$	$C$	$N$	$O$	$F$
At. wt.	$7$	$9$	$11$	$12$	$14$	$16$	$19$
Element	$Na$	$Mg$	$Al$	$Si$	$P$	$S$	$Cl$
At. wt.	$23$	$24$	$27$	$29$	$31$	$32$	$35.5$
Element	$K$	$Ca$	-	-	-	-	-
At. wt.	$39$	$40$	-	-	-	-	-