They have low melting and boiling points which increases down the group.
They form diatomic molecules
They form simple ions with -1 charge
They react with hydrogen to form acidic compound
All sides are equal in length. All angles are equal in size.
halogens and noble
Crunchie loves Sajjad
I do not know so don't ask this question again
The two most reactive groups of elements in the periodic table are the alkali metals and the halogens. Halogens are nonmetals located in group 17 of the periodic table and include elements like fluorine, chlorine, and iodine.
Halogens Apex ;)
We find five halogens in periodic table. Those are non metal elements. Fluorine and chlorine gases are examples.
3 non characterstic prperties of water would be :
Halogens are in Group 7
any alkaline earth metals
alkali metals, halogens, noble gases
Halogens are not salts but they are chemical elements; halogens can form salts reacting with metals.