Geology102:Quiz-Unit03

What is the definition of a mineral?

• A naturally occurring, inorganic solid with a definite chemical composition and crystalline structure.

• A liquid substance found in nature.

• A synthetic material created in laboratories.

• A gaseous element found in the atmosphere.

Tags

NGSS.MS-PS1-1

What is the basic structure of an atom?

• Protons and neutrons in the nucleus, electrons in orbitals.

• Electrons and protons in the nucleus, neutrons in orbitals.

• Neutrons and electrons in the nucleus, protons in orbitals.

• Protons, neutrons, and electrons all in the nucleus.

Tags

NGSS.MS-PS1-1

What is the basic definition of a mineral in geology?

• Naturally occurring, solid, with a regular crystal structure

• Liquid at room temperature

• Composed of organic materials

• Formed by human processes

Which of the following is NOT considered a mineral?

• Coal

• Calcite

• Quartz

• Obsidian

What are the three types of rocks composed of minerals?

• Igneous, sedimentary, metamorphic

• Igneous, volcanic, sedimentary

• Sedimentary, volcanic, crystalline

• Metamorphic, volcanic, crystalline

Which element is the most abundant in the Earth's continental crust by weight?

• Silicon

• Aluminum

• Oxygen

• Iron

What does the subscript in a chemical formula indicate?

• The number of protons in an atom

• The number of molecules present

• The number of atoms of an element in a molecule

• The number of neutrons in an atom

Which rule explains the stability of atoms with a full outer shell of electrons?

• Octet rule

• Duet rule

• Triple rule

• Quadruple rule

What is the composition of a methane (CH₄) molecule?

• One carbon atom and four oxygen atoms

• One carbon atom and four hydrogen atoms

• One hydrogen atom and four carbon atoms

• One oxygen atom and four hydrogen atoms

Tags

NGSS.MS-PS1-1

How do minerals form in nature according to the text?

• By melting and solidifying

• By bonding in a crystalline arrangement

• By evaporating and condensing

• By dissolving in water