Magnesium is a metal when we say burning of magnesium it means formation of its oxide with liberation of heat and light.
non-metal.
Aluminium
That is right, phosphorous is a non metal. The group of 17 nonmetals can be identified on a periodic chart very easily. The non metals include everything in the very rough triangle formed by Carbon, Radon and Helium. Hydrogen is clear at the top left, but it too has the distinction of being a non metal.
Magnesium is a metal. When it burns it forms compounds, to which the terms metal and nonmetal are generally not applied.
Magnesium is a metal when we say burning of magnesium it means formation of its oxide with liberation of heat and light.
non-metal.
Non-metals are dull (or they are not shiny as metals).
oxygen is a non metal element. Atomic mass of it is 15.99.
Aluminium
Hydrogen has 1 electron. It can easily gain or lose electron to form metal or non metal