Covalent Crystals Are

question 4

Multiple Choice

Covalent crystals are

• A) soft and malleable.
• B) hard and brittle.
• C) have low melting points.
• D) a and c
• E) b and c

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Definitions:

Enrichment

The process of increasing the proportion of a desired material or isotope in a mixture.

Nuclear Material

Substances that emit radiation, used in energy production, medicine, and atomic weapons.

Depleted Uranium

Depleted uranium is uranium mainly consisting of the isotope uranium-238, having a lower content of uranium-235 than natural uranium, commonly used in military applications and for counterweights.

Uranium Isotope

Variants of the uranium atom with the same number of protons but differing numbers of neutrons, including uranium-235 and uranium-238, significant in nuclear power and weaponry.