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

7(y-2) 21=(2y)(3) solve the this linear equation
the bird flew-the sky preposition
Which of the following is solid, liquid or gas that transports sound
Suppose x is an integer. If 5 | 2x, then:_______ a. None of the above b. 5|2c. 5|x d. 5| 2 and 5|x
A solid rectangular block has a square base of side x cm. The height of the block is h cm and the total surface area of the block is 96 cm². Given that x can va
(-1,-1) m = -2 in point-slope form
Write a scene that starts with the line When I stepped outside, the whole world smelled like... A) Fresh flowers and rain B) Burning wood and spices C) Ocean b
What percent of 253 is 81
A block of mass 20 kg lying on a rough horizontal surface is pulled by a force F acting at an angle 60 with horizontal . For wha value of F, the block will just
Evaluate (4/9) raise to power -1/2