Chemistry
State what is meant by the term 'activity series of metals'. State the most reactive & the least reactive metal from the following - Zn, Ag, Na, Fe, Cu, Pb.
Answer
It is a series of metals arranged according to their reactivity in which the most reactive metal i.e., potassium is at the top of the series and the least reactive metal i.e, gold is at the bottom.
Amongst the mentioned metals: Zn, Ag, Na, Fe, Cu, & Pb, Sodium (Na) is the most reactive metal and Silver (Ag) is the least reactive metal.
Related Questions
Elements are mainly classified into metals & non-metals. State six properties of metals which differ from non-metals.
Give the symbols of the following elements - & state in each case whether they are metals, non-metals, metalloids or noble gases.
(a) potassium
(b) carbon
(c) oxygen
(d) mercury
(e) fluorine
(f) neon
(g) sulphur
(h) zinc
(i) boron
(j) copper
(k) calcium
(l) xenon
(m) arsenic
(n) mercury
(o) chlorine
(p) silicon
(q) neon
(r) lead
(s) antimony
(t) sodium
(u) iodine
(v) platinum
(w) radon
(x) phosphorus
(y) bromine
(z) aluminium
Give three reasons why - carbon dioxide is considered a compound, while carbon - an element.
State what information is provided by the formula of calcium hydroxide - Ca(OH)2.