7th PHY Chp 10 Test

Front

What does it mean for a material to be malleable?

Back

Malleable materials can be hammered or pressed into shape without breaking. They can be easily shaped and deformed.

Front

What determines the order of elements on the periodic table?

Back

The order of elements on the periodic table is determined by increasing atomic number.

Front

Where are most nonmetals located on the periodic table?

Back

Most nonmetals are located on the right side of the periodic table.

Front

What characteristic do nonmetals typically have?

Back

Nonmetals are often brittle when solid and are poor conductors of heat and electricity.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals and can act as semiconductors.

Front

What is the definition of a semiconductor?

Back

A semiconductor is a material that has electrical conductivity between that of a conductor and an insulator.

Front

What are halogens?

Back

Halogens are a group of nonmetals found in Group 17 of the periodic table, known for being highly reactive.

Front

What is the significance of atomic number in the periodic table?

Back

The atomic number represents the number of protons in an atom's nucleus and determines the element's identity.

Front

What is the difference between metals and nonmetals?

Back

Metals are typically shiny, malleable, and good conductors of heat and electricity, while nonmetals are dull, brittle, and poor conductors.

Front

What are the properties of metals?

Back

Metals are usually malleable, ductile, good conductors of heat and electricity, and have a shiny appearance.