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

Read the sentence. Under the sands (was, were) a fossil, and there (is, are) several stories about its discovery. Which verbs correctly complete the sentence?
In why I see topicality essay Moliere "The Bourgeois Nobleman"?
If you help me U will be my HERO
Help me plz I rly need this to be answered
Which of the following was NOT a result of the attacks of 9/11 or the war on terror? A. tightening security at airports B. an increase in public displays of pat
Image by Historicair Which country on the map above has the largest population? A. country 1 B. country 2 C. country 4 D. country 5
A hydraulic lift is used to jack a 1170 kg car 13 cm off the floor. The diameter of the output piston is 18 cm, and the input force is 250 N.(a) What is the are
write standard form of line that is parallel to 2x + 3y= 4 and passes through the point (1, -4)
Two types of survey questions are open questions and closed questions. An open question allows for any kind of? response; a closed question allows for only a fi
To be a team, a group must be composed of members with complementary skills.T/F