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is a kite gas?
No, a kite is not a gas. It will never be a gas, and even if it was a gas it would be noted in the Periodic Table.
How is the noble gas family different from all other families on the periodic table?
The noble gas family, sometimes also called the inert gases, all have their valence shells filled with the maximum number of electrons allowed for that shell. And because each noble gas is "maxed out" as far as the population of the valence band, the elements aren't inclined to react with any other elements. They even travel around as single atoms, unlike other gases which usually travel in pairs (diatomic molecules).
About three-fourths of the air is...gas?
78% nitrogen 20% oxygen and 2% other inert gases.
Atomic mass of nitrous oxide?
Nitrous Oxide is not an element, therefore it doesn't have atomic mass. An element is a substance in the form of solid, liquid, gas or metalloid, which can not be broken down anymore. For example, Tin is not an element because it is made up of different elements. Oxygen is just oxygen it is not made out of anything but oxygen atoms. :) BTW I'm a 8th grader that learned this is Science class and made a 102 on the test of the periodic table, elements and the atoms that make them up.
What is the roman numeral of the noble gas family?
Old textbooks usually gave the noble gases group 0., although some did call it group VIIIA.
