Only one compound has been formed with krypton. Krypton is very nonreactive becuase it is a noble gas. Like all noble gasses, its valence electron shell is filled.
It can react with flourine because flourine has the highest electronegativity of any element, making it highly reactive.
what are you making
Krypton is a gas when used in energy saving life bulbs.
The answer to how many neutrons an atom of an isotope has is always the difference between the mass number of the isotope and the atomic number of the element. The atomic number of krypton is 36. Therefore, an atom of krypton-82 has 46 neutrons.
Many oxides, many metallic salts, many metals, many organic compounds, etc.
They have most of the compounds found in your body or earth
Many organic compounds are natural products.
many compounds are found
gold is a pure substance = no compounds - Au
Not all compounds contain hydrogen, and there are many of these. Although there are also many, especially organic compounds, that do have hydrogen as a component.
There are too many to list. A few are water, nitrate compounds, ammonia compounds, phosphate compounds, sulfur compounds, silica, etc.
There are two compounds present in H2O: hydrogen and oxygen.
For example, ionic compounds: inorganic acids, salts, bases; many organic compounds, etc.