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Stack #203433
| Question | Answer |
|---|---|
| The filled outer electron level configuration can be written as what? | ns(superscript 2)np(superscript 6) |
| The eight electrons in the outer energy level fill what orbitals? | s and p |
| In most chemical reactions, atoms tend to match the s and p electron configurations of the noble gases. What is this tendency called? | The octet rule |
| Based on the octet rule, an atom whose outer s and p orbitals do not match the electron configurations of a noble gas will do what? | They will react to lose or gain electrons so the outer orbitals will be full |
| Alakai metals are in what group? | Group 1 |
| Alakine-earth metals are in what group? | Group 2 |
| Transition metals are in what groups? | 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 |
| Noble Gases are in what group? | 18 |
| The Halogens are in which group? | 17 |
| Are the Halogens reactive? | yes |
| After reacting, an element becomes what? | stable |
| The superscripts in an electron confiuration ([Mg] + [Ne]3s (superscript 2) ) added together tell how many ________ an atom has. | valence electrons |
| A potassium will lose one valence electron to have the electron configuration of a noble gas instead of gaining 7 valence electrons because ...? | it requires less energy |
| All atoms are uncharged because they have...? | equal numbers of protons and electrons |
| After giving up an electron to become stable, an atom will have an uneven number of protons and neutrons, causing there to be a...? | net electrical charge |
| An atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge is called a(n) | ion |
| An ion with a positive charge is called a(n)...? | cation |
| An ion with a negative charge is called a(n)...? | anion |
| Using the same name for the atom and the ion that it forms indicates that what is the same as it was before? | the nucleus |
| An ion has a _____ , so therefore it forms _______ and ________ ________ when dissolved in water. | charge, compounds, conducts electricity |
| Noble gases are very __________ , have no electrical _______ , doesn't form compounds, and doesn't _______ _______ when dissolved in water. | unreactive, charge, conduct electricity |
| An atom, radical, or molecule that has gained or lost one or more electrons and has a negative or positive charge is called a(n) | ion |
| An ion with a positive charge is called a(n)...? | cation |
| An ion with a negative charge is called a(n)...? | anion |
| Using the same name for the atom and the ion that it forms indicates that what is the same as it was before? | the nucleus |
| An ion has a _____ , so therefore it forms _______ and ________ ________ when dissolved in water. | charge, compounds, conducts electricity |
| Noble gases are very __________ , have no electrical _______ , doesn't form compounds, and doesn't _______ _______ when dissolved in water. | unreactive, charge, conduct electricity |
| Just because an element forms a stable ion with noble-gas configurations doesnt mean it becomes a _______ ________. | noble gas |
| sodium is extremely...? | reactive |
| Group 1 metals are extremely ______? | reactive |
| when an ionic bond is formed, what two things attract one another? | cations and anions |
| The energy released when ionic bonds are formed is called the ...? | lattice energy |
| Just because an element forms a stable ion with noble-gas configurations doesnt mean it becomes a _______ ________. | noble gas |
| sodium is extremely...? | reactive |
| Group 1 metals are extremely ______? | reactive |
| when an ionic bond is formed, what two things attract one another? | cations and anions |
| The energy released when ionic bonds are formed is called the ...? | lattice energy |
| Ionic compounds have very high _________ points. | bioling |
| To conduct an electric current, a substance must satisfy two conditions. First, it must contain _______ed ________s. Second, those _________s must be free to move. | charged particles, particle |
| Salts are excellent ________ conductors. | Electrical |
| ____ means that the crystal is able to resist a large force applied to it. | Hard |
| _________ means that when the applied force becomes too strong to resist, the crystal develops a widespread fracture rather than a small dent. | brittle |
| hardness and brittleness can both be attributed to the way ______ and _______ are arranged in all salt crystals. | cations and anions |
| a ________ ___________ is the regular pattern in chich a crystal is arranged. | crystal lattice |
| a _______ _________ is the smallest portion of a crystal lattice that shows the three-dimensional pattern of the entire lattice | unit cell |
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