Of the following, __________ is the most metallic.
Question 25 options:
a) Na
b) Mg
c) Al
d) K
e) Xe
a) Na
To determine the most metallic element among the given options, we need to consider the periodic table. Metallic character generally increases from right to left and from top to bottom on the periodic table.
Out of the given options:
a) Na (sodium) is a highly reactive metal.
b) Mg (magnesium) is a moderately reactive metal.
c) Al (aluminum) is a moderately reactive metal.
d) K (potassium) is a highly reactive metal.
e) Xe (xenon) is a noble gas and does not exhibit metallic character.
Therefore, the most metallic element among the given options is potassium (K).
To determine which element among the options is the most metallic, we need to refer to the periodic table. The periodic table arranges elements in order of increasing atomic number, and elements get progressively more metallic as you move from left to right and from bottom to top.
To determine which element is most metallic among the options, we need to consider their positions in the periodic table.
a) Na (Sodium) is an alkali metal located in Group 1 of the periodic table. It is highly metallic and relatively easy to ionize.
b) Mg (Magnesium) is an alkaline earth metal located in Group 2 of the periodic table. It is also quite metallic, but slightly less than sodium.
c) Al (Aluminum) is classified as a post-transition metal and is located in Group 13 of the periodic table. While aluminum is a metal, it is less metallic than both sodium and magnesium.
d) K (Potassium) is another alkali metal located in Group 1 of the periodic table. It is similar to sodium in terms of metallic properties but slightly more reactive.
e) Xe (Xenon) is a noble gas located in Group 18 of the periodic table. Noble gases are known for their non-metallic and inert properties, so xenon is not metallic.
Based on the information above, among the options given, the most metallic element is Na (Sodium).