Pretest

Question 1

The table shows columns that Franklin uses to organize his notes on the properties of elements. His notes state that some elements are widely used in semiconductors. Metals Metalloids Nonmetals Where should Franklin place this property in his table?

Revolt · Accepted Answer

only in the column for metalloids

Question 2

Based on their locations on the periodic table, which best compares the properties of the metalloids arsenic As and antimony Sb ?

Revolt · Accepted Answer

Arsenic has a more nonmetallic behavior than antimony because arsenic’s atoms have fewer electron shells.

Question 3

For metalloids on the periodic table, how do the group number and the period number relate?

Revolt · Accepted Answer

The lower the group number, the lower the period numbers, so the metalloids are found in a diagonal moving down from left to right.

Question 4

Which groups on the periodic table contain metalloids?

Revolt · Accepted Answer

Groups 13–16

Question 5

Which element is a metalloid?

Revolt · Accepted Answer

germanium Ge

Question 6

The table shows columns that Brenda uses for her notes on the properties of elements. Her notes state that some elements can react to form basic compounds. Metals Metalloids Nonmetals Where should Brenda place this property in her table?

Revolt · Accepted Answer

in the columns for metals and for metalloids

Question 7

Which statement describes a property that is unique to metalloids?

Revolt · Accepted Answer

Metalloids are semiconductive.

Question 8

Which property do metalloids share with nonmetals?

Revolt · Accepted Answer

Both can react to form acidic compounds.

Question 9

Which element in period 3 on the periodic table is a metalloid?

Revolt · Accepted Answer

silicon Si

Question 10

Which metalloid has three valence electrons?

Revolt · Accepted Answer

boron

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