The representative elements are also called the Group A elements. Consider these representative elements:
Li - Group 1A
C - Group 4A
Cl - Group 7A.
What does the group number tell us about the electron arrangement of representative elements?
A) number of sublevels filled
B) number of electrons lost when forming compounds
C) number of electrons in the outermost energy level
D) number of energy levels in the atoms of each group

Question

06-10-2017
Chemistry

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The representative elements are also called the Group A elements. Consider these representative elements:
Li - Group 1A
C - Group 4A
Cl - Group 7A.
What does the group number tell us about the electron arrangement of representative elements?
A) number of sublevels filled
B) number of electrons lost when forming compounds
C) number of electrons in the outermost energy level
D) number of energy levels in the atoms of each group

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Erudite1 Erudite1 · Answer 1 · 2017-10-17T13:55:15+02:00

The correct option is C.
Elements that has the same properties are usually grouped in the same group. The similarities of the elements in a group usually arise from the fact that they have the same number of electrons in their outermost shells. For instance, all elements in group 1 have one electron in their outermost shells and all elements in group 7 has seven electrons in their outermost shells. Thus, the number of a group signifies the number of electrons the elements in the group have in their outermost shells.

charlesquincy06 charlesquincy06 · Answer 2 · 2021-04-22T14:55:23+02:00

charlesquincy06 charlesquincy06

22-04-2021

Answer:

c

Explanation:

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