Chemistry

What sort of change happens to a head of lettuce when you cut it in half?

More Questions from Chemistry
What type of property does the water cycle show?
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Because they are so reactive with air and water, what group of elements are generally stored in oil?
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What are proteins that help speed up chemical reactions called?
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What symbol appears on the periodic table for the element with the atomic number 22?
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What is the most commonly used material in the manufacturing of semiconductors?
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What symbol appears on the periodic table for the element with the atomic number 88?
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What is the most abundant halogen found in the Earth's crust?
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Which of the following subshells has the highest energy?
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