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Chem Atomic Structur
| Question | Answer |
|---|---|
| What is a proton? | A positively charged particle in an atom |
| What is an electron | A negatively charged particle in an atom |
| What is a neutron | A neutrally charged particle in an atom |
| What is the unit for atoms? | 1 amu |
| What is an "amu"? | Atomic Mass Units |
| What is (Z)? | Atomic number or number of protons |
| What does the letter in the center of a element box represent? | The elements symbol |
| What does the number at the bottom of the element box represent? | The average atomic mass in amu |
| What does the number at the top of the element box represent? | Atomic number or number of protons |
| Are atoms electrically positive, neutral, or negative? | Electrically neutral |
| What is (A)? | Mass number |
| Where can the mass number be found on the periodic table? | Nowhere, it has to be calculated |
| What does element notation look like? | A over Z next to X |
| What is (X)? | The elements symbol |
| What is an ion? | An ion is a particle where the # of electrons is unequal to the # of protons |
| Are electrons and protons unequal in an ion or atom? | Ion |
| What is an ion called when its more positive? | Cation |
| What is an ion called when its more negative? | Anion |
| What stays the same number in every element? | Protons |
| What is an isotope? | When an atom has different # of neutrons or mass # as the original element |
| What is atomic mass? | A weighted average mass of the isotopes in a natural occurring sample |
Created by:
ckulp01
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