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What's the MATTER?
Flash cards for Atoms, Elements, Compounds, Molecules, and Matter
| Question | Answer |
|---|---|
| Anything that has mass and takes up space | matter |
| All matter is made up of tiny particles called ___. | atoms |
| The center of an atom is called the ____. | nucleus |
| Which particles are found in the nucleus of an atom? | protons and neutrons |
| Which particles are found orbiting around the outside of the nucleus of an atom? | electrons |
| What charge do protons have? | a positive (+) charge. |
| Atoms that are all of the SAME kind make up an ____. | element |
| You can tell the atom of one element apart from the atom of another element by counting the number of ___________. | protons |
| On the periodic table of elements, the ____ tells the number of protons that each atom of an element has. | atomic number |
| The letters on the periodic table -- such as He, O, Na, Cl -- are called _______. | chemical symbols |
| Chemical symbols are a short way to write the names of _____. | elements |
| atom with the same number of protons but different number of neutrons. | isotope |
| protons + neutrons | atomic mass |
| atom with the same number of protons but different number of neutrons. | atomic mass |
| What charge do electrons have? | negative (-) |
| What charge do neutrons have? | no charge, neutral |
Created by:
jhooks
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