Question

A student has a sample of an unknown element and wants to determine its identity. The sample reacts very strongly with water, releasing heat and producing a gas.%0D%0A%0D%0A %0D%0A%0D%0AWhat is the sample ,begin emphasis,most,end emphasis, likely classified as in the periodic table?%0D%0A%0D%0AAnswer options with 5 options%0D%0AA.%09%0D%0Ahalogen%0D%0A%0D%0AB.%09%0D%0Ametalloid%0D%0A%0D%0AC.%09%0D%0Anoble gas%0D%0A%0D%0AD.%09%0D%0Aalkali metal%0D%0A%0D%0AE.%09%0D%0Atransition metal

Answer 1

The sample is most likely classified as an alkali metal in the periodic table. Alkali metals are known to react strongly with water, releasing heat and producing a gas.