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Which of the following is an example of an endothermic reaction? wood burning fireworks salt dissolving in water photosynthesis
Photosynthesis is an example of an endothermic reaction.
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Asked 10/25/2021 12:49:16 PM
Updated 1/10/2022 3:51:22 PM
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Confirmed by Sting [1/10/2022 3:51:20 PM]
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Which of the following has three electrons in its valence shell? carbon, aluminum, sodium, calcium
Question
Updated 3/16/2023 7:17:46 PM
1 Answer/Comment
The element that has three electrons in its valence shell is aluminum (symbol Al), which is located in group 13 (also known as the boron group) of the periodic table.
Added 3/16/2023 7:17:42 PM
This answer has been confirmed as correct and helpful.
Which of the following has three electrons in its valence shell? calcium aluminum carbon sodium
Weegy: Aluminum has three electrons in its valence shell. (More)
Question
Updated 10/25/2021 11:36:10 PM
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Which of the following elements would most likely become a negative ion when forming a chemical bond? carbon nitrogen aluminum chlorine
Weegy: Chlorine would most likely become a negative ion when forming a chemical bond. (More)
Question
Updated 5/17/2024 11:19:43 PM
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Which family on the periodic table contains elements that already have the octet in their valence energy level? family 1 family 13 family 15 family 18
Weegy: Family 18 on the periodic table contains elements that already have the octet in their valence energy level. (More)
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Updated 5/18/2025 7:33:53 AM
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Which of the following are likely to form an ionic bond? nitrogen and oxygen carbon and sulfur carbon and hydrogen magnesium and sulfur
Weegy: The following are likely to form an ionic bond: magnesium and sulfur. (More)
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Updated 8/27/2024 3:31:51 AM
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