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What is the term for the substance that cannot be broken down into simpler substances by
chemical reactions?
✔✔ Element
What is the name of the element with the chemical symbol "O"?
✔✔ Oxygen
What is the term for the elements in Group 18 of the periodic table, known for their lack of
reactivity?
✔✔ Noble Gases
What is the name of the element with the chemical symbol "Fe"?
✔✔ Iron
What is the term for the elements that are good conductors of heat and electricity and are found
on the left side of the periodic table?
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, ✔✔ Metals
What is the name of the element with the chemical symbol "Na"?
✔✔ Sodium
What is the term for the elements in Group 17 of the periodic table, known for their high
reactivity?
✔✔ Halogens
What is the name of the element with the chemical symbol "Cl"?
✔✔ Chlorine
What is the term for the elements in Group 1 of the periodic table, known for their high reactivity
with water?
✔✔ Alkali Metals
What is the name of the element with the chemical symbol "Au"?
✔✔ Gold
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