The elements $X$,$Y$,$Z$,and $T$ have the indicated electronic configurations. Starting with the innermost shell,which is the most metallic element?

  • A
    $X = 2, 8, 4$
  • B
    $Y = 2, 8, 8$
  • C
    $Z = 2, 8, 8, 1$
  • D
    $T = 2, 8, 8, 7$

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Similar Questions

Considering the atomic number and position in the periodic table,arrange the following elements in the increasing order of metallic character: $Si$,$Be$,$Mg$,$Na$,$P$.

Considering the elements $F,$ $Cl,$ $O,$ and $N,$ the correct order of their chemical reactivity in terms of oxidizing property is:
$(a)$ $F > Cl > O > N$
$(b)$ $F > O > Cl > N$
$(c)$ $Cl > F > O > N$
$(d)$ $O > F > N > Cl$

Which of the following is a metalloid?

The correct set that contains all kinds (basic, acidic, amphoteric, and neutral) of oxides is:

Which one of the following reactions does not occur?

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