The sums of the numbers of the elements numbers which is found so far.

Chemistry Level 1

What are the sums of the numbers of the elements numbers which are found so far?

The number of elements is 118 118 .


The answer is 7021.

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

1 solution

. .
Feb 26, 2021

1 + 2 + 3 + 4 + 5 + 6 + + 114 + 115 + 116 + 117 + 118 = 119 × 59 = 119 × ( 60 1 ) = 119 × 60 119 = 119 × 6 × 10 119 = 714 × 10 119 = 7140 119 = 7021 , so the answer is 7021 . 1 + 2 + 3 + 4 + 5 + 6 + \cdots + 114 + 115 + 116 + 117 + 118 = 119 \times 59 = 119 \times ( 60 - 1 ) = 119 \times 60 - 119 = 119 \times 6 \times 10 - 119 = 714 \times 10 - 119 = 7140 - 119 = 7021 \text { , so the answer is \boxed { 7021 } . }

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...