6th Grade Science Chapter 4 Test Study Guide Study.com

Which of the following is true about the reactivity of metals?

• All metals lose electrons more readily than nonmetals.

• The reactivity of metals varies greatly.

• All metals react easily with many different chemicals.

• All metals are nonreactive.

How do metals bond?

• They do not bond.

• By exchanging electrons with nonmetals.

• By sharing electrons with other metal ions in what is called a sea of electrons.

• By sharing electrons exclusively with one other metal atom.

Which of the following defines a metal?

• Metals are good insulators.

• Metals gain electrons easily.

• 1. Metals are lustrous and malleable.

• 1. Metals are brittle and variously colored.

Metals are generally _____ at room temperature.

• Solids

• At room temperature, metals can be solids, liquids or gasses.

• Gasses

• Liquids

Some metalloids, such as boron, have which type of texture?

• Firm

• Brittle

• Gaseous

• Scratchy

What happens when a metalloid gets heated up?

• 1. It blocks the flow of all electrons.

• It conducts more electricity, allowing electrons to move more freely.

• It acts as an insulator and slows the flow of electrons.

• It becomes too dangerous for electricity to flow through it.

Which of the following is NOT a metalloid?

• Bromine

• Germanium

• Silicon

• Tellurium

Where could you find materials made from metalloid elements in your home?

• Electronic Devices

• Foods in your pantry

• Gases in the air of your home

• Cleaning products

The mass number of an atom indicates:

• the number of neutrons.

• the number of protons.

• the total number of protons and neutrons.

• the total number of protons and electrons.

Which element has a mass number of 12 and contains 6 neutrons?

• Carbon

• Copper

• Calcium

• Sodium