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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 |