which element a semimetal? is B) si 18) Element Z his the following properties c

Question

which element a semimetal? is B) si 18) Element Z his the following properties c. colorless, odorless gas ar room temperature a and will be found the zigaag line ofthe A) metal, to the left of B) along side of D) non-metal the right of E metal; along of to the right of 19 Magnesium is an example of alan B) alkal C) halogen, E) transition 20) Which measurement represents the second largest quantity? A) 4730 g B) 4.73 g E) 47.3 mg 21) Which of the following measurements has 3 significant figures? A) 10. g B) 0.250 g C) 0.006 g D) 0.020 g E) 0.010 g

Explanation / Answer

List of semimetals (also Known as Metalloids ) are B, Si, Ge, As, Sb, Te, Po

Only Al is not in the list which is a Metal not a Metalloid

Al Answer for 17)

Element Z is Noble gases

it is non metal found on the right of the zigzag of the periodic table

Answer is C) non metal, to the right of

Magnesium is an example of alkaline earth metal

Answer (B)

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