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

Calculate the speed of a 3.5cm sound wave of frequency 8000Hz
A toy rocket is shot vertically into the air from a launching pad 5 feel above the ground with an initial velocity of 80 feet per second. The height h, in feet,
write the equation in function form.then graph the equation x-3y=-9 ???
What what handels full name
What substance is made during transcription and where does it occur
why did the citizens of Richmond, Virginia feel upset about the actions at Fort Sumter ?
Veronica earned $150 at work this past week in her paycheck. She wants to buy some necklaces which costs $6 each. She writes a function to model the amount of m
A toy rocket is shot vertically into the air from a launching pad 5 feel above the ground with an initial velocity of 80 feet per second. The height h, in feet,
Which sentence uses a verb that agrees with its subject?A.In a dark corner of the attic were many unopened boxes.B.Across the surface of the water glides swans.
how did jazz demonstrate the independent spirit of the times?