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Finals
| Question | Answer |
|---|---|
| The atomic number of an element refers to the number of protons it has. | True |
| How many protons does Carbon have? | 6 (with margin: 0) |
| How many electrons does a typical atom of Neon have? | 10 (with margin: 0) |
| How many neutrons does a typical atom of Sodium have? | 12 (with margin: 0) |
| How many electrons fit into the first energy level of an atom? | 2 (with margin: 0) |
| How many electrons fit into the second energy level of an atom? | 8 (with margin: 0) |
| Atoms are happy (they will not readily react with other elements) when they have a full outside ring of electrons. | True |
| Which subatomic particle has a positive charge? | Proton |
| Which subatomic particle does not exist inside the nucleus of an atom? | Electron |
| Which of the following is the most stable (happiest) group of elements? | Noble Gases |
| A negative charge will be attracted to another negative charge. | False |
| When water is formed by the elements hydrogen and oxygen sharing valence electrons, this is called a ______________. | Covalent Bond |
| # of protons for Lithium___. | 3 |
| What group is Sulfur in? | 16 |
| How many neutrons does Fluorine have? | 10 |
| What period is Magnesium in? | 3 |
| amu stands for: | atomic mass unit |
| An atom that has differing numbers of protons and electrons is called a(n): | Ion |
| The electrons in the outermost energy level are called _ electrons. | Valence |
| Which is bigger? an atom or a molecule? | molecule |
| How many atoms of hydrogen is in a molecule of C6H12O6? | 12 (with margin: 0) |
| Which electron would have the most energy? One in the energy level closest to the nucleus, or one furthest away from the nucleus? | The one closest |
| A __ bond is made when atoms gain or lose electrons. | Ionic |
| How many valence electrons are in an atom of Aluminum? | 3 (with margin: 0) |
| How many valence electrons are in an atom of Hydrogen? | 1 (with margin: 0) |
| H and Cl would form what type of bond with each other? | Ionic |
| 2 atoms of oxygen would form what type of bond with each other? | Covalent |
| Atoms of Na and Cl would form what type of bond with each other? | Ionic |
| The rising and falling of the sea is called __. | Tides |
| Movement of something around another object. | Revolution |
| The emission of energy at the subatomic level. | Radiation |
| the moon at any time after new moon and before full moon, so called because its illuminated area is increasing. | Waxing |
| Movement around an axis. | Rotation |
| the phase between a new moon and a full moon, in which the amount of light on the surface is decreasing. | Waning |
| When an object spins around a fixed point called an axis | Rotation |
| Moon phase when 0% of the moon is illuminated from an Earth view point | New Moon |
| Moon phase when 100% of the moon is illuminated from an Earth view point | Full Moon |
| An imaginary line about which a body rotates | Axis |
| Phenomenon that occurs when the moon passes between the Earth and the sun, blocking all or a portion of the sun | Solar Eclipse |
| The tilt of the Earth's axis causes these | Seasons |
| The gravitationally curved path of an object around a point in space | Orbit |
| The percentage of the moon that is visible from Earth during a quarter moon. | 50% |
| Moon phase when more than 50% of the moon is illuminated from an Earth view point | Gibbous Moon |
| Earth's only natural satellite | The Moon |
| Tides that occur during the new moon and full moon | Spring tides |
| The star nearest the Earth | The Sun |
| Phenomenon that occurs when the Earth passes between the moon and the sun, and the earth's shadow obscures the moon or a portion of it | Lunar eclipse |
| A decreasing area of the moon is illuminated | Waning |
| The number of high tides in a 24 hour period | 2 |
| Motion in a given direction is called _. | Velocity |
| When an increasing area of the moon is illuminated it is called a _ moon. | Waxing |
| The type of relationship that exists between the force of gravity and the distance between two objects is a _ relationship. | Inverse |
| The type of relationship that exists between the force of gravity and the object(s) mass is a _ relationship. | Direct |
| A waxing moon is illuminated on which side? | Right |
| One revolution of the moon around the earth takes about a: | Month |
| The side of the moon that faces the sun is: | Always Bright |
| The earth completes one revolution once every: | Year |
| What type of relationship is indicated by this graph? | Direct |
| What type of relationship is indicated by this graph? | Inverse |
| What percent of all stars are considered main sequence stars? | 90 |
| The main "fuel" for our sun (and all main sequence stars) is... | Hydrogen |
| What happens to a star at the end of its life depends mostly on its... | Mass |
| At the end of our sun's life, the sun will collapse upon itself, creating a black hole. | False |
| What is the name of the process where smaller atoms are combined to form larger atoms? | Nuclear Fusion |
| When our sun begins to run out of "fuel" within its core, initially the core of the sun will... | Shrink |
| For any star to be stable, the inward pull of gravity and the outward force from the release of energy due to nuclear fusion must be... | Balanced |
| If a star is moving away from the Earth the waves will appear ___________ __________, which demonstrates ____________ ____________. | farther apart; red shift |
| What name is given to an exploding star? | Supernova |
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Colleencorbine
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