Chemistry, 04.05.2021 20:50, tshegofatso92
Which best explains how elements are arranged on the modern periodic table? A) elements are arranged from fewest protons to most protons B) elements are arranged from most protons to fewest protons C) elements are arranged from fewest neutrons to most neutrons D) elements are arranged from most electrons to fewest electrons
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Compare and contrast physical changes with chemical changes.
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Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils
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Chemistry, 22.06.2019 07:50, mckinleesmomp6qj1e
Which of the following electromagnetic waves can create ions?
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Which best explains how elements are arranged on the modern periodic table? A) elements are arranged...
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