rtparry rtparry

13-01-2023
Chemistry

contestada

A new element has three isotopes with mass numbers of 288, 290 and 291. The weight averaged atomic mass of this element is 289.2 and the percent abundance of the heaviest isotope-291 is 35%, what are the percent abundances of the other two isotopes?

Respuesta :

Otras preguntas

may i have help with this

What does the line "Gossip was a life force in Kookaburra" suggest about the residents of the town?

what is the value of 50 US dollar in philippine money?

1. Marc and Julian are considering the following investments for their portfolio. Help them evaluate each one by weighing the risk versus return. Rank each as l

Which words could replace the subordinating conjunction in the sentence while maintaining its original structure? choose two answers. and because but since so

What are the answers?? Please help

Solve for d given -4d+6>10

A bag has 4 red marbles,5 blue, 3 green and 1 yellow. what is the probability of pulling a red marble. Answer as a fraction, decimal and percent

What are the structures in the nucleus that contain dna?.

how mineral and energy affect population settlement