Unit 3 Test C

Which of the following terms means that metals can be rolled into thin sheets, as in aluminum foil, or beaten into different shapes?

• alloy
• ductile
• malleable

Which of the following terms means that metals can be pulled into thin strands or wires?

• alloy
• ductile
• malleable

How is the current periodic table arranged?

• by symbol
• by atomic mass
• by atomic number

What is NOT a property of a metal

• good conductors of heat and electricity.
• liquid at room temperature.
• malleable.

Which are most elements on the periodic table?

• metalloids
• nonmetals
• metals

In an atom, the number of protons equals the number of

• electrons.
• neutrons.
• isotopes.

The elements in a group of the periodic table

• ihave the same number of valence electrons.
• are in the same period.
• have very similar chemical symbols.

What information in the periodic table indicates the number of protons in an atom?

• the position of the element in its column
• atomic number
• atomic mass

Which type of elements shares characteristics with both metals and nonmetals?

• metalloids
• halogens
• lanthanides

Which particles in atoms have a negative electric charge?

• electrons
• protons
• neutrons