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Group 1a in Periodic Table contains hydrogen and the alkali metals. the question does not specify which three out of the seven elements in the group are being referred to. The metals all ionise to form M+ ions e.g. Li+, Na+, K+ etc. Hydrogen is the odd one out- whilst it does lose an electron to form H+ (a bare nucleus with a charge of +1) it can also gain an electron (to achieve the noble gas configuration of He, helium) forming the H- hydride ion.

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10y ago
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They have the same number of valence electrons and similar chemical properties.

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9y ago

All the columns have same number of valence electrons. They possess similar chemical properties.

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Q: What do the atoms in the same column on the periodic table have in common?
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Related questions

Do atoms get larger as they move downward in a column of Periodic Table?

Yes. Atoms get larger as they move downward in a column of periodic table. This is because of increase in number of shells down the group.


What do the elements in a column on the periodic table hav in common?

They have the same Valency


What is a Noble gasses?

The 8th column in the periodic table - those atoms with a completed valence orbits.


What family of elements was originally left out of the periodic table?

The noble gases, column 18 in the most common modern periodic table.


What is a group in a periodic table.?

A group in Periodic Table is the column of element in periodic table


What do elements ina column on the periodic table usually have in common?

Chemicals in a column, or "group" have similar chemical properties.


In what column is beryllium in?

Beryllium is in column 2 of a wide form periodic table and column II(A) of a narrow form periodic table.


What direction is a column in the periodic table?

A column, also called group, is a vertical line on the periodic table.


What is a column on a period table is called?

a column or family on the Periodic Table


What do the elements in column 18 of the periodic table have in common?

All of the elements in column 18 of the periodic table are noble gases. This means their outer electron shells are completely full and in most cases are inert.


What do atoms of the same elements in the same group of the periodic table have in common?

They are the same


What does the column with helium have in common on the periodic table?

That column contains the Noble Gases (He, Ne, Ar, Kr, Xe, Rn).