Question

a__________ has a least two or more capital letters. solution compound mixture element

Explanation:

In chemistry, an element is represented by a single - capital - letter symbol (e.g., H for hydrogen, O for oxygen). A solution is a homogeneous mixture. A mixture can be a combination of different substances. A compound is made up of two or more different elements chemically combined and its chemical formula often has at least two or more capital letters representing different elements.

Answer:

B. compound