You light the acetylene first, then you add oxygen.
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The flame test is not used to detect magnesium; a magnesium oxide rod is used as a support for the solutions of other elements in the flame test.
Mass spectrometer would work.
Potassium although sometimes it can look purple
Some flame colours are characteristic of metals present, eg Lilac for K+, Red for strontium. However, this is only indicative, because there are a few at least that have a red colour, so it needs to be proven further with a chemical test
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The flame test is not used to detect magnesium; a magnesium oxide rod is used as a support for the solutions of other elements in the flame test.
Mass spectrometer would work.
Antimony is an element that is metallic and can be found in four allotropic forms. It is used to make flame proof things like paint and battery plates.
Rubidium
Usually alcohol is used to make flame, or " Flambé"
Potassium although sometimes it can look purple
The element that is used to make pink glass is selenium. This element is also used to make glass that is red in coloring.
It can be used for element identification and can used in Atomic spectroscopy and can be used to help "atoms with low ionization potentials become ionized."
Flame tests are often used to identify metals and other substances, such as sodium. If you expose the element sodium to flame, it will give off a bright, vibrant yellow color.
'Helium' because it is also an INERT (Noble) gas. Hydrogen could be used to make the balloon float/rise, but hydrogen is a flammable gas. On explosion you will have a flash of flame.
Some flame colours are characteristic of metals present, eg Lilac for K+, Red for strontium. However, this is only indicative, because there are a few at least that have a red colour, so it needs to be proven further with a chemical test