Organization | Trends | History | Properties of Elements | Blocks and Worth |
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Where is the atomic number located in relation to an element square?
At the top/ above the element's symbol
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Metallic character runs across the periods from ______ to ______
__Left__ to __right__
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Who designed the first periodic table?
Dmitri Mendeleev
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Which group of elements are good conductors of electricity?
Metals
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What family/families does the f-block consist of?
Lanthanides and Actinides
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How do you determine the amount of electrons an element has?
It is equal to the atomic number
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Atomic radius runs up and down the groups from ______ to _____
__top__ to __bottom__
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How many known elements were there at the time of the creation?
56
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Halogens are found in which family of the periodic table?
Group 17 (or) Group VIIA
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What block is oxygen located in?
p-block
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How many neutrons does gold have?
118
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The Ionization energy is a trend that runs from the _____ ______ to the _______ _____
__bottom__ __left__ to __top__ __right__
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How many spaces did he leave open for further discovering of elements?
8
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Which kind of elements can vary in how many valence electrons they can have?
Metals
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How many elements are in block 3D?
10
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Name 3 elements that are metalloids.
Any 3 of the following: Silicon, Germanium, Arsenic, Antimony, Tellurium, Boron, Polonium, Astatine, aluminum
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Define Ionization Energy
The required energy required to remove an electron from an ion
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What was the creator of the periodic tables profession?
Chemist
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The most stable kind of elements are _____
Noble Gases
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Name the letters of all 4 blocks
S, P, D, F
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What does the atomic mass symbolize?
The atomic mass symbolizes the average atomic mass of that element's isotopes based on how common each isotope is found in the world.
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Define Electron affinity
The energy released when an electron is added to a neutral atom
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Name one difference between the creators periodic table vs. the periodic table.
Creator: organized based on atomic mass
Modern: Based on atomic number Creator: Organized vertically Modern: Organized Horizontally |
The most reactive elements on the periodic table are ____
Alkali Metals
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What block is Helium in?
S-block
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