Log in
Sign up for FREE
arrow_back
Library

Elements, Compounds, & Mixtures

star
star
star
star
star
Last updated 23 days ago
14 questions
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Required
1
Question 11
11.

This is a pure substance that cannot be separated into simpler substance by physical or chemical means.

Question 12
12.

This is a pure substance composed of two or more different elements joined by chemical bonds.

Question 13
13.

If different elements or compounds are placed together, but do not react, they are considered a(n) _______________.

Question 14
14.

_________________ mixtures are uniform – they have the same composition throughout.

Question 1
1.

For the example below, indicate whether it is a pure substance, homogeneous mixture, or heterogeneous mixture.

Question 2
2.

Are molecules, atoms, or both present?

Question 3
3.

For the example below, indicate whether it is a pure substance, homogeneous mixture, or heterogeneous mixture.

Question 4
4.

Are molecules, atoms, or both present?

Question 5
5.

For the example below, indicate whether it is a pure substance, homogeneous mixture, or heterogeneous mixture.

Question 6
6.

Are molecules, atoms, or both present?

Question 7
7.

For the example below, indicate whether it is a pure substance, homogeneous mixture, or heterogeneous mixture.

Question 8
8.

Are molecules, atoms, or both present?

Question 9
9.

For the example below, indicate whether it is a pure substance, homogeneous mixture, or heterogeneous mixture.

Question 10
10.

Are molecules, atoms, or both present?