Kailphshadle Kailphshadle
  • 01-01-2017
  • Biology
contestada

What element is a gas with a mass number of 19?

Respuesta :

tako1
tako1 tako1
  • 01-01-2017
Fluorine

Check out the periodic table. Exact mass number of Fluorine should appear as 18.99...
Answer Link

Otras preguntas

make up a story with moral values IT MUST NOT BE COPY PASTED MUST BE FROM YOUR OWN!
The sum of twice a number and six is equal to the sum of the number and 7. What is the equation that represents the sentence.
I need somebody to come thru and help me with this please dont give me wrong answers. I'm tired of failing
What are six other departments companies commonly have?
Then, the bug ran from 81 to 46. What distance did it cover? If the average speed of the bug during this run was 14 units per second, how long did this run take
Write a short summary on the theme of the poem "Caged bird"
how do I do this my hwk id due tomoorw
a flooring tile has a shape of a parallelogram whose base is 24 cm and the corresponding height is 10 cm.How many such tiles are required to cover a floor in 10
Why were wolves introduced to Coronation Island?
A shoe factory produces 345 pairs of shoes in one week and 354 pairs the next week. if 673 pairs were delivered to a department store, how many pairs were not d