Hellium argon neon xenon krypton randon oxygen fluorine chlorine bromine
Answer:
Explanation:
The wavelenght of a radiation is inversely proportional to its frequency. It can be estimated by the following formula:
Where:
is the wavelenght
is the frequency
is the speed of light (arroung 300000 km/s)
B
Meniscusity the convex or concave upper surface of a column liquid, the curvature of which is caused by surface tension
Answer:
There is two iron atoms.
Explanation:
The formula iron oxide is Fe2O3 F e 2 O 3 therefore there would be two. Hope this helps. :)