answersLogoWhite

0

Halogens have a valency of -1.

User Avatar

Wiki User

12y ago

What else can I help you with?

Related Questions

What is command to all elements in this same group in the periodic table?

Not sure what the command is but a characteristic which is common is that they have the same number of valency electrons.


What is an element in group 2 of the periodic table?

Calcium, Magnesium, and Radium are all in group two of the periodic table.


What is the only element in the periodic table of group 1?

Actually group 1 is ALL elements and so is the whole periodic table.


Which group is based on elements on the periodic table?

All groups in the periodic table contain chemical elements.


What is a group (family) in the periodic table?

The alkali and alkaline earth and transitions are all groups of the Periodic Table ANOTHER POINT OF VIEW: A group or family is the vertical columns on The Periodic Table of the Elements.


What are the trends in the valency of the periodic table?

The trend in valency of the periodic table generally increases from left to right across a period and decreases down a group. Elements on the left side of the periodic table tend to have lower valencies, while elements on the right side tend to have higher valencies. This is due to the number of valence electrons in the outer shell of the atom.


Valencies of all elements?

The valency of an element refers to the combining power of a given element. The valencies of all the elements is contained in the table of valencies. The valencies of the elements can be obtained by looking at the groups in the periodic table.


Which group of the periodic table has 3 electrons?

all the members of 3rd A group of periodic table have 3 electrons in outermost shell they are B ,Al, Ga, Tl and In.


What is a group of elements in the periodic table?

A group in the periodic table is a column of elements that share similar chemical properties due to having the same number of electrons in their outer energy level. Groups are vertical columns and are numbered from 1 to 18.


Why is Hydrogen Lithium Sodium and Potassium are all stacked on top of each other on this chart.?

Hydrogen, lithium, sodium, and potassium are all placed in the same column (Group 1) of the periodic table because they share similar chemical properties due to having one electron in their outermost energy level. This commonality makes them part of the alkali metal group, leading to their vertical alignment on the periodic table.


What do elements in group have in common?

they are all part of the Periodic Table:)


Which group in the periodic table is less reactive?

Group 7 in the periodic table is less reactive.They are Manganese,Technetium,Rhenium and Bohrium.They all are transition metals.