Arranged by Atomic Number: Elements are listed in order of their atomic number.
Similar Properties in Columns: Elements in the same column share similar traits.
Metals vs Nonmetals: Metals are on the left, nonmetals on the right.
Transition Metals: The middle part has metals that are useful in many industries.
Blocks: The table is divided into blocks (s, p, d, f) based on electron arrangement.
Predicts Behavior: It helps us predict how elements will react with each other.
Element Symbols: Each element has a short symbol (like H for Hydrogen).
Atomic Mass: Elements have a number that shows how heavy they are.
Repeating Patterns: Properties repeat in a regular way as you move across the table.
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The periodic table .
The periodic table .
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1. What is an atom? What are atoms made of?
2. What is an element? How many elements are there?
3. What is the difference between atoms and elements?
4. What is the difference between a compound and a molecule?
5. Which two elements are from the same group?