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30 Cards in this Set
- Front
- Back
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Abbreviations for element names is called ___ _____.
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chemical symbols
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Why do some elements have strange chemical symbols?
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Because their names are based on Latin names.
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In 1869 ______ came up with a way to organize all elements known at that time.
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Mendeleev
Men - de - leev |
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Mendeleev put elements in order based on their ____ ____.
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atomic weights
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Modern day scientist put elements in order based on their ___ ______ and their chemical properties.
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atomic number
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What information is given on a square on the periodic table?
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1)the name of the element
2)the chemical symbol 3)the atomic number |
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The classification system Mendeleev developed for elements is called the __ __ __ ___ ____.
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Periodic Table of the Elements
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The horizontal rows of the periodic table are called ___.
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periods
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Elements in the same row of the periodic table have the same number of _______.
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shells
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How many rows are there in the periodic table?
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7
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The vertical columns of the periodic table are called ___.
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groups
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Elements in the same column of the periodic table have the same number of _______________.
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electrons in their outer shells
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Scientists classify elements in the periodic table by placing them into _____.
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families
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Families of elements have similar _________ properties and are often color-coded in the periodic table.
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chemical properties
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Name the four families of elements on the periodic table.
1 2 3 4 |
1)alkali metals
2)metals 3)metalloids 4)nonmetals |
|
|
Abbreviations for element names is called ___ _____.
|
chemical symbols
|
|
|
Why do some elements have strange chemical symbols?
|
Because their names are based on Latin names.
|
|
|
In 1869 ______ came up with a way to organize all elements known at that time.
|
Mendeleev
Men - de - leev |
|
|
Mendeleev put elements in order based on their ____ ____.
|
atomic weights
|
|
|
Modern day scientist put elements in order based on their ___ ______ and their chemical properties.
|
atomic number
|
|
|
What information is given on a square on the periodic table?
|
1)the name of the element
2)the chemical symbol 3)the atomic number |
|
|
The classification system Mendeleev developed for elements is called the __ __ __ ___ ____.
|
Periodic Table of the Elements
|
|
|
The horizontal rows of the periodic table are called ___.
|
periods
|
|
|
Elements in the same row of the periodic table have the same number of _______.
|
shells
|
|
|
How many rows are there in the periodic table?
|
7
|
|
|
The vertical columns of the periodic table are called ___.
|
groups
|
|
|
Elements in the same column of the periodic table have the same number of _______________.
|
electrons in their outer shells
|
|
|
Scientists classify elements in the periodic table by placing them into _____.
|
families
|
|
|
Families of elements have similar _________ properties and are often color-coded in the periodic table.
|
chemical properties
|
|
|
Name the four families of elements on the periodic table.
1 2 3 4 |
1)alkali metals
2)metals 3)metalloids 4)nonmetals |
