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| Question | Answer |
|---|---|
| How does an atom relate to an element, molecule, and compound? | Elements are more than one of the same atom. Molecules are different atoms bonded together. A compound is two or more molecules. |
| Why are atoms neutral if there are protons and electrons? | The number of protons and electrons are the same. |
| How come you cannot transfer protons to make an ion? | Protons are in the nucleus, while electrons move because they are found on orbitals surrounding the nucleus. |
| What is the maximum amount of electrons on the first, second, and third orbitals? | first shell: 2second shell: 8third shell: 8 |
| How many electrons does the boron family have? | It has 3 valence electrons. |
| Is the atom the smallest particle ever? | No. |
| If you move down a column in the periodic table, what do you notice about the shells? | They increase by one each time you move down. |
| Name three properties for halogens. | 1. poisonous2. very reactive3. can all form gases |
| What are the 3 things an element can be classified as in the periodic table? | Metals, non-metals, and metalloids |
| If sulfur is in the oxygen family (6 valence electrons) and it is the second element in the column, how many protons does sulphur have? | Sulphur has 16 protons. |
| If aluminum is in the boron family (3 valence electrons) and is the second one down in the column, how many electrons does aluminum have? | Aluminum has 13 electrons. |
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NCCgradenines
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