Understanding Minerals and Rocks

What is the primary mineral found in the Cave of the Crystals in Mexico?

• Halite

• Calcite

• Selenite

• Quartz

Which of the following is NOT a criterion for a substance to be classified as a mineral?

• Naturally occurring

• Organic

• Solid at room temperature

• Ordered crystalline structure

What is the main difference between rocks and minerals?

• Rocks are single elements, minerals are compounds

• Rocks are made of minerals, minerals are made of elements

• Rocks are inorganic, minerals are organic

• Rocks are liquid, minerals are solid

Which of the following is an example of a native element mineral?

• Gypsum

• Gold

• Halite

• Quartz

Which mineral is composed of sodium chloride?

• Quartz

• Halite

• Calcite

• Gypsum

What type of bond is primarily responsible for the structure of halite?

• Ionic bond

• Metallic bond

• Covalent bond

• Hydrogen bond

Which type of bond involves the sharing of electron pairs between atoms?

• Metallic bond

• Covalent bond

• Ionic bond

• Van der Waals bond

What property allows metals to be malleable and conductive?

• Ionic bonding

• Hydrogen bonding

• Metallic bonding

• Covalent bonding

What is the primary characteristic of a covalent bond?

• Pooling of electrons

• No electron interaction

• Sharing of electrons

• Transfer of electrons

Which of the following is a characteristic of ionic bonds?

• They are generally brittle

• They form a common electron pool

• They involve electron sharing

• They are very flexible