How Does Bonding Affect the Hardness of a Crystal

question 29

Multiple Choice

How does bonding affect the hardness of a crystal?

• A) Covalently bonded crystals are harder than ionically bonded crystals.
• B) Ionically bonded crystals are harder than covalently bonded crystals.
• C) Some ionically bonded crystals are harder than covalently bonded crystals, depending on the charges of ions involved.
• D) Some covalently bonded crystals are harder than ionically bonded crystals.

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Definitions:

Fetal Cells

Cells that make up the developing fetus in the womb, which possess the ability to divide and specialize into various cell types.

Defective Conditions

Situations or items that are flawed, damaged, or not functioning as intended, often requiring repair or replacement.

Chorionic Villus Sampling

A prenatal test involving the sampling of chorionic villi to test for chromosomal abnormalities in the fetus.

Amniocentesis

A medical procedure used in prenatal diagnosis to sample amniotic fluid using a needle inserted into the uterus, for the testing of chromosomal abnormalities and fetal infections.