Question 9

If you are given two unknown samples of gray metals, how can you use physical properties to determine if they are the same?

A

You can compare their masses.

B

You can compare their densities.

C

You can compare their ability to react with acids.

D

You can name the elements that they are made of.

B

Explanation:

If they are the same they will have the same densities.

hope this helps

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either online or traditional classroom can work for students. which is better will depend on students and teacher. students may have trouble following a lesson in classroom while they can study at their own pace online. other students may have trouble staying focus on their own in online classes. teachers are more used to classroom teaching but they may also be more worry about their jobs teaching online classes and work harder.