2024 Semester 1 - FINAL (Reduced)

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Single Replacement

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Where are metalloids located on the periodic table?

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In the middle (yellow) section.

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What does an element's atomic number represent?

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The number of protons in the nucleus.

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Which of the following is an alkaline earth metal? Magnesium (Mg), Iron (Fe), or Iodine (I)?

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Magnesium (Mg)

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Synthesis

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Define a synthesis reaction.

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A reaction where two or more substances combine to form a new compound.

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What is the definition of a decomposition reaction?

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A reaction where a single compound breaks down into two or more simpler products.

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What is a single replacement reaction?

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A reaction where one element replaces another in a compound.

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What is a double replacement reaction?

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A reaction where the anions and cations of two different compounds switch places.

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What are alkaline earth metals?

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Elements in group 2 of the periodic table, known for being reactive and having two electrons in their outer shell.