9
practice testMultiple Choice

Practice Test

Question 9 • Physical Science

Isra is analyzing the properties of several samples of elements to find out which sample is a metalloid. Which set of properties most likely belongs only to a metalloid?

Answer
A
forms basic compounds and is a solid
B
is a gas and has low electrical conductivity
C
is brittle and forms acidic compounds
D
has a high luster and is very brittle
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