Question

multiple - choice question
what is a \trend\ in chemistry?
a fashion choice
always decreases
a movement
a pattern

Explanation:

In chemistry, a trend refers to a recurring pattern, such as trends in atomic size, electronegativity, etc. across the periodic table. It is not related to fashion choices. Trends can either increase or decrease, not always decrease. And it is more than just a simple movement; it implies a consistent pattern.

Answer:

D. A pattern