0
Helium has completely filled orbitals and is place in group 18. It is chemically inert. Fluorine has 7 valence electrons and is the most reactive non metal on the Periodic Table.
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
Which is more unreactive helium or krypton?
Helium is unreactive and is chemically inert. Krypton generally compounds with fluorine such as KrF2, KrF4
Which has smaller atomic size helium or fluorine or neon?
He has the smaller atomic size. Fluorine has the larger atomic size from these 3. He is a noble gas.
What is the electronegativity for helium?
The first scale of electronegativity was developed by Linus Pauling and on his scale helium has a value of no data on a scale running from from about 0.7 (an estimate for francium) to 2.20 (for hydrogen) to 3.98 (fluorine)
Is fluorine lighter than helium?
NO, sure not. Helium (He) mass = 4 g/mol Fluorine gas (F2) mass = 2*19 = 38 g/mol (almost 10 times heavier), although fluorine gas hardly can be held stable: it is so VERY rective, even in air!!
What gases are on the periodic table?
in number order it goes hydrogen, helium, nitrogen, oxygen, fluorine, neon, chlorine, argon, krypton, xenon, and radon. Hydrogen, nitrogen, oxygen, fluorine, and chlorine are diatomic gases. Helium, neon, argon, krypton, xenon, and radon are monatomic gases.
Helium and neon cant form compounds with fluorine why?
The first Ionization energy of fluorine is less than that of the helium and neon.
What elements has the lowest electronegativity cessium helium calcium fluorine?
Helium
Is fluorine in the same family as neon?
No- fluorine is a halogen and Neon is an inert or noble gas. Fluorine is one of the most reactive elements of all and Neon is the 2nd most unreactive after Helium. You can not get more different.
Which element is most reactive lithium carbon fluorine or helium?
The most reactive is fluorine.
Which element has a full energy level of only 2 electrons helium oxygen fluorine?
fluorine
What are facts for fluorine?
The salts in Fluorine are called fluorides, and fluorine reacts with all other elements except oxygen, neon, helium, and krypton.
What does fluorine and helium make together?
They don't make anything?
Which is more unreactive helium or krypton?
Helium is unreactive and is chemically inert. Krypton generally compounds with fluorine such as KrF2, KrF4
What is the element with the highest ionization energy?
fluorine bromine chlorine
5 examples of non metal?
Helium, boron, oxygen, fluorine, iodine.
What do Helium fluorine and Chlorine have in common?
Those are all gases at room temperature.
Which has smaller atomic size helium or fluorine or neon?
He has the smaller atomic size. Fluorine has the larger atomic size from these 3. He is a noble gas.
