Questions by AlexDrenea

Questions by AlexDrenea

There are 20 girls and 30 boys in a class. What percentage of the pupils in the class are boys?

asked Feb 20, 2023

1 answer

25 votes

168k views

2- . the number of waves in n *10 bohr's orbit are

asked Dec 1, 2022

1 answer

23 votes

336k views

Simplify √(72) 72 completely.

asked Jul 27, 2022

1 answer

38 votes

477k views

What transition energy corresponds to an absorption line at 527 nm? A. 2.65 x 10-19 J B. 3.77 x 10-19 J C. 5.69 x 10-19 J D. 3.26 x 10-19 J SUBMIT

asked May 10, 2022

1 answer

5 votes

73.4k views

HELPPPPPPPPPPPPPPPP HELPPPPP

asked Jan 28, 2022

2 answers

10 votes

283k views

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