Fall 2024 Exam Review

Front

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

Back

Covalent bond.

Front

In the Bohr model of an atom, how many core electrons does it typically have for elements in the second period?

Back

2 core electrons.

Front

What natural process leads to the formation of White Sands in the Tularosa Basin?

Back

Gypsum settled on an ancient ocean floor and was carried into the basin by water.

Front

What happens to water when it freezes?

Back

It expands like a growing snowball.

Front

How long does it generally take for mountains to erode into sand?

Back

Very slow processes that take tens of thousands of years.

Front

What is the definition of weathering in geology?

Back

The process of breaking down rocks and minerals through natural forces.

Front

What is erosion?

Back

The process by which soil and rock are removed from the Earth's surface by natural processes.

Front

What is the difference between weathering and erosion?

Back

Weathering breaks down rocks; erosion transports the broken materials.

Front

What is a hydrogen bond?

Back

A weak bond between a hydrogen atom and an electronegative atom.

Front

What is an ionic bond?

Back

A chemical bond formed between two ions with opposite charges.