Answer:
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Explanation:
used in fire extinction, blasting rubber, foaming rubber and plastic
Answer:
Light energy can be converted into heat energy. A black object absorbs all wavelengths of light and converts them into heat, so the object gets warm. A white object reflects all wavelengths of light, so the light is not converted into heat and the temperature of the object does not increase noticeably.
3Mg + N₂ = Mg₃N₂
Mg₃N₂
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It is True because in the periodic table of elements, there are seven horizontal rows of elements called periods. The vertical columns of elements are called groups, or families.
