Chemistry Review 3

Test Description: Review for Chapters 3 & 5.

Instructions: Answer all questions to get your test result.

1) This category of elements is also known as semiconductors.

2) This category of elements has brittle and nonmalleable solids.

3) This technique for separating a mixture is used to separate water into the elements of hydrogen and oxygen.

4) This technique for separating a mixture is used to separate crude oil into its components.

5) This technique for separating a mixture is used to separate heavier blood cells from plasma.

6) This technique for separating a mixture is used to separate particles in a suspension.

7) In nature, the element __________ is needed to make proteins.

8) The element that has 6 protons within its atom is__________ .

9) An element that has 8 valence electrons would be__________.

10) An element that has an atomic number of 4 would be found in which period on the periodic table?


*select an answer for all questions

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