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

The solar system is approximately _____ years old. a. 6000 c. 4.6 billion b. 280 million d. 15 billion Please select the best answer from the choices provide
A quiz consists of six multiple choice questions, each question has three possible answer choice questions. How many different answers keys can be made
A wildlife conservancy maintains a ratio of 2 squirrels for every 8 birds how many birds would there be if there were 15 squirrels
In what way was President Harry S. Truman successful in helping African Americans during his term?
What causes earthquakes and at what types of plate boundaries are earthquakes common? Explain.
Write the meaning of an object has 2 meter length
Please only answer if you know for sure
Carbon can bond with one or more carbon atoms, producing a variety of _____ A. hydrocarbons B. amino groups C. carbon skeletons D. inorganic molecules
Shawn bough fruit last week, consisting of 2.26 pounds of bananas,1.5 pounds of grapes, and watermelon that weighed 6.78 pounds. What is total weight,in pound,
Steve and Ben have some money in their wallets. If Steve gives Ben $3, Ben will have twice as much as Steve. If Ben gives Steve $7, the amount Ben has will be o