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Chemistry Part 2
| Question | Answer |
|---|---|
| The metals are to the ___________ of the stair step. | left |
| The nonmetals are to the ___________ of the stair step. | right |
| In general, when a metal bonds with a nonmetal, it forms what type of bond? | ionic |
| In general, when a nonmetal bonds with a nonmetal, it forms what type of bond? | covalent |
| If you have both, metal bonding with nonmetal and nonmetal bonding with metal, it forms what type of bond? | polyatomic ion |
| What do families or groups tell us about the element? | The number of valence electrons |
| What are valence electrons? | The number of electrons in the outer shell |
| What do periods tell us about the element? | The number of shells |
| Where are families or groups on the periodic table? | Columns |
| Where are the periods located on the periodic table? | Rows |
| What is a covalent bond? | when atoms share electrons |
| What is an ionic bond? | a bond that is created from the transfer of one or more electrons from one atom over to the next atom |
| What is a polyatomic ion bond? | A compound that has both ionic and covalent bonds |
| Why are noble gases nonreactive? | They are stable. |
| What does the atom need in order for it to be stable? | a full outer shell |
| Know how to identify the number of elements in a compound. | count the number of capital letters |
| Know how to identify the number of atoms in a compound. | refer to page 47 and 59 |
| Know how to write formulas | Remember that + means the element wants to give an electron(s) and - means the element wants to take an electron(s) refer to page 67 |
| The Halogen is really reactive to what other family? Explain. | The halogen family is reactive with the alkali metals. This is because the Halogen family wants to take an electron and the Alkali metals want to give an electron. |
| What is always true about chemical changes? | Something new is being formed by bonds being formed or broken. |
| What are clues to a chemical change? | (1) Drastic color change (2) Gas given off (3) Precipitate formed (4) Energy change |
| What does exothermic mean? | chemicals warming |
| What does endothermic mean? | chemicals cooling |
| Be able to draw a model of an atom using Bohr's model | refer to page 50-51 |
| How many electrons can the first shell hold? second shell? third shell? | The first shell can hold 2 electrons, the second shell can hold 8 electrons, and the third shell can hold 8 electrons. Remember that an element can have more shells, but we are only looking at those that have up to three shells. |
Created by:
kallayj
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