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Chemistry, 22.06.2019 16:00
What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided
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Chemistry, 22.06.2019 20:00
What happens to the temperature of a substance when the average kinetic energy of its particles increases?
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Chemistry, 23.06.2019 02:00
An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron
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Chemistry, 23.06.2019 05:00
How many atomic mass units are equal to 1.672×10−24 g of protons?
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