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Science · Grades 5–6

Periodic Table

noun

A chart organizing all known chemical elements by their atomic number and properties.

Example Sentences

"The periodic table helps chemists predict how elements will react."

"Hydrogen is the first element on the periodic table."

Synonyms & Related Terms

element chart

Quick Check

Which best describes the meaning of periodic table?

Study Tips

To remember periodic table, try writing it in a sentence of your own. Connect it to something you already know about science.

Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.