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Elements&Compounds
Review for Test
| Question | Answer |
|---|---|
| The smallest part of an element is called the ________. | atom |
| I'm a pure substance composed of the same type of atom throughout. What am I? | element |
| I am a pure substance made of two or more atoms, chemically combined. What am I? | compound |
| How many different elements make up the compound water. | two |
| Most of the atmosphere is made up of __________ which is a gas. | Nitrogen (N) |
| What is the most abundant element in the Biosphere, Lithosphere, and Hydrosphere? | Oxygen (O) |
| NaCl, HCl, and FeS are all _________. | compounds |
| Unlike elements, compounds are made up of _____ or more types of matter. | two |
| One way to tell how many elements are in a compound is to count all the ____________________________. | capital letters |
| Elements are represented on the Periodic Table of Elements with their ___________________________. | chemical symbols |
| What two elements are present in all four components of the earth. | Hydrogen (H) and Oxygen (O) |
| Si, K, Mg, Fe are all__________. | elements |
| The sum of all living matter is the _________. | biosphere |
| All the water on the earth is the ___________. | hydrosphere |
| The rigid, outer part of the Earth is the ___________ | lithosphere |
| The layer of gas surrounding the planet Earth is the _________________. | atmosphere |
| All of the known pure substances on the earth are listed on the _______________________________. | Periodic Table of Elements |
| Compounds are represented by using their _____________________. | chemical formula |
Created by:
cmpace
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