Chemistry, 12.06.2020 20:57 10242000cw
This column of the periodic table represents the halogen family. This is a family of reactive elements. Compare and contrast how the elements are similar and different. A)The mass numbers differ; they have the same number of protons and valence electrons. B)They have different atomic numbers and mass numbers; they have the same number of electrons. C)They have different atomic numbers and mass numbers; they have the same number of valence electrons. D)They have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.
Answers: 2
Chemistry, 22.06.2019 04:30
There is a single path for electrons. the current decreases when additional resistors are added. the current will be the same in each resistor. these statements best describe a(n) circuit.
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Chemistry, 22.06.2019 14:30
Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.
Answers: 1
This column of the periodic table represents the halogen family. This is a family of reactive elemen...
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