Which of the following sets of elements have the same number of valence electrons?
P, S, Cl because they are in the same period
B, Al, Ga because they are in the same group
Na, Ca, Ba because they are in the first two groups
Ag, Cd, Ar because they are transition elements and a noble gas
Answers: 1
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Si una estrella no tiene paralaje medible, ¿qué puedes inferir?
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The number at the end of an isotope’s name is the number.
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Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.
Answers: 1
Which of the following sets of elements have the same number of valence electrons?
P, S, Cl because...
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