The Distance Between the Two Hydrogen Atoms in a Molecule

question 34

Multiple Choice

The distance between the two hydrogen atoms in a molecule of water is 0.000000000172 m.Express this distance in scientific notation.

• A)1.72 × m
• B)1.72 × m
• C)0.172 × m
• D)17.2 × m
• E)1.72 × m

---

Definitions:

Pegmatite

An igneous rock containing very large crystals, which may be centimeters to meters long.

Igneous Pegmatite

A coarse-grained igneous rock composed primarily of large crystals, often containing rare minerals.

Magma

The molten or semi-molten natural material from which all igneous rocks are derived, located beneath the Earth's surface.

Welded Texture

A texture found in volcanic rocks, formed when hot volcanic ash and debris fuse together under pressure.