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An element's atomic number is the A. sum of the protons and neutrons in an atom. B. number of protons in an atom's nucleus. C. mass of the atom. D. weight of the atom.
An element's atomic number is the number of protons in an atom's nucleus.
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Asked 10/31/2018 6:06:03 AM
Updated 68 days ago|6/7/2020 2:36:27 AM
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An element's atomic number is the number of protons in an atom's nucleus.
Added 68 days ago|6/7/2020 2:36:27 AM
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How are igneous rocks formed? A. Lava or magma cools and then crystallizes. B. Heat and pressure from nearby magma changes existing rock. C. Sediments deposit in a lake and turn to stone. D. Lava or magma heats up and crystallizes.
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Updated 68 days ago|6/7/2020 2:35:01 AM
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Igneous rocks are formed when lava or magma cools and crystallizes.
Added 68 days ago|6/7/2020 2:35:01 AM
This answer has been confirmed as correct and helpful.
How are igneous rocks formed? A. Lava or magma cools and then crystallizes. B. Heat and pressure from nearby magma changes existing rock. C. Sediments deposit in a lake and turn to stone. D. Lava or magma heats up and crystallizes.
Question
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Updated 9 days ago|8/5/2020 7:00:31 AM
1 Answer/Comment
Igneous rocks are formed when lava or magma cools and then crystallizes.
Added 9 days ago|8/5/2020 7:00:31 AM
This answer has been confirmed as correct and helpful.
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