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because it is a noble gas and has completely filled orbital (s orbital)
What else can I help you with?
What group is astatine in the periodic table?
Astatine is placed in group-17 in the Periodic Table. Its symbol is At.
In which group is hydrogen in periodic table?
it is placed in group 1
Why is hydrogen (H) placed with elements in Group 1A?
Properties of Hydrogen. Hydrogen is a nonmetal and is placed above group in the Periodic Table because it has ns1 electron configuration like the alkali metals.
What are metals on the periodic table?
Metals are placed on left side of Periodic Table. They are placed in group-1,2. Few metals are present in group-13 and 14.
What are the metals on periodic table?
Metals are placed on left side of periodic table. They are placed in group-1,2. Few metals are present in group-13 and 14.
Why is lead placed in group 1 and 2 of the periodic table?
Lead is not placed in 1 or 2 group of periodic table, it is in IV-A (14th) group of periodic table, however in the scheme of salt analysis it is placed in ist and 2nd groups of basic radicals.
Why are the lanthanides and sctinides placed at the bottom of the periodic table?
The f-block elements are placed at the bottom of the periodic table because if they were placed where they belong the periodic table would be too big to fit on a normal sheet of paper.
What group is co3 in the periodic table?
CO3 is not placed in periodic table. Only elements are arranged in periodic table.
Why was bromine placed in its placement in the periodic table?
Bromine is placed in its position in the periodic table because it has similar chemical properties to other halogens in its group, such as chlorine and iodine. In the periodic table, elements in the same group tend to have similar properties due to their electron configurations. Bromine's position in Group 17 (or Group 7A) reflects its valence electron configuration and allows for easy prediction of its chemical behavior.
Why is potassium placed where it is on the periodic table?
Potassium is placed in Group 1 (or IA) on the periodic table because it has one valence electron in its outermost shell, like other elements in this group. This placement indicates its similar chemical properties to other alkali metals in Group 1, such as sodium and lithium.
What element group does aluminum have?
Aluminium is placed in the group 13 of the periodic table of Mendeleev.
What periodic family simler to gold?
Gold is placed in the group 11 (copper group).
