They turn litmus paper blue
Reactivity trends of halogen:
1) Melting point and boiling points increased down the
group
2) Colour becomes darker.
E.g. Fluorine (pale yellow)
Chlorine (yellowish-green)
Bromine (reddish-brown)
Iodine (purplish-black)
Astatine (black)
3) The reactivity decreases down the group.
Reactivity:
F > Cl > Br > I > At
Answer:
B
Explanation:
<h2>Soil is a mixture of </h2><h2 /><h2>tiny particles of rock,</h2>
<h2>dead plants and animals </h2>
<h2>,air and water.</h2>
An alp-ha particle is equivalent to the nucleus of a helium atom. Helium Atom = Answer.
Iron bromide isn't considered magnetic because all iron compounds are not magnetic
