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DICKSON 3.1
HW
| Question | Answer |
|---|---|
| How many elements are on the periodic table? | 118 |
| How many of the 118 elements are naturally occurring? | 92 |
| A chart of the elements that are arranged into rows and columns according to physical and chemical properties is the _____ _____. | Periodic table |
| What did Dimitri Mendeleev use to organize his periodic table? | Atomic Mass |
| T or F: Mendeleev's table was organized the correct way. | False |
| A row on the periodic table is called a(n) ____. | period |
| A column on the periodic table is called a(n) _____. | group |
| Today's periodic table is arranged by increasing ____ _____. | atomic number |
| The atomic number is equal to the number of _____. | protons |
| In a neutral atom, what element is equal to the number of protons? | electrons |
| protons and neutrons are found in the _____ of the atom. | nucleus |
| electrons are found _______ the nucleus of the atom. | orbiting |
| The ____ particle of the atom is the proton. | positive |
| The _____ particle of the atom is the electron. | negative |
| The ____ particle in the atom is the neutron. | neutral |
| Who developed the newest periodic table? | Henry Moseley |
| The atomic number or proton number is used to _____ the atom. | identify |
| A balloon on the element key states that the element is found as a ____ at room temperature. | gas |
| A rain drop on the element key states that the element is found as a ____ at room temperature. | liquid |
| A block on the element key states that the element is found as a ____ at room temperature. | solid |
| A "ring" on the element key states that the element is not found ____. | naturally |
| Group 1 on the periodic table is called the ____ ____. | alkali metals |
| Group 2 on the periodic table is called the ____ ____ ____. | alkaline earth metals |
| The center section of the periodic table is called the _____ _____. | transitional metals |
| 3/4 (most) of the elements on the periodic table are _____. | metals |
| The one or two letter abbreviation of the element is called the _____ _____. | atomic symbol |
| Potassium is in group ____ of the periodic table. | 1 |
| Calcium is in group ____ of the periodic table. | 2 |
| Scandium is in group ____ of the periodic table. | 3 |
| Titanium is in group ____ of the periodic table. | 4 |
| Vanadium is in group ____ of the periodic table. | 5 |
| Chromium is in group ____ of the periodic table. | 6 |
| Iron is in group ____ of the periodic table. | 8 |
| Iridium is in group ____ of the periodic table. | 9 |
| Zinc is in group ____ of the periodic table. | 12 |
| Silver is in group ____ of the periodic table. | 11 |
| The first element in period 3 is ___. | Sodium |
| The first element in period 2 is ___. | Lithium |
| The first element in period 6 is ___. | Cesium |
| The first element in period 7 is ___. | Francium |
| The first element in the transitional metals is ____. | Scandium |
| The bottom element in the Alkaline Earth Metals is ____. | Radium |
| The top element in the Alkali Metals is ____. | Hydrogen. |
| The first element in the lanthanide series is ____. | Lanthanum |
| The last element in the actinide series is | lawrencium |
| The atomic symbol Mn is which element | Manganese |
| The atomic symbol Ca is which element | Calcium |
| The atomic symbol Co is which element | Cobalt |
| The atomic number 79 is which element | Gold |
| The atomic number 3 is which element | Lithium |
| The atomic number 10 is which element | Neon |
| The atomic number 6 is which element | Carbon |