Which of the following statements describe compounds? Compounds have the same properties as the substances that form them. Compounds are formed of elements in a specific ratio or chemical formula. Compounds are formed of random combinations of elements. Compounds can be formed and broken down by chemical changes. A. 2 and 4 B. 1 and 2 C. 2 and 3 D. 1, 2, 3 and 4

Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick