Advertisements
Advertisements
Question
State the most reactive and the least reactive metal from the following – Zn, Ag, Na, Fe, Cu, Pb.
Advertisements
Solution
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.
The most reactive metal is Na.
The less reactive metals are Zn, Fe, Pb.
The least reactive metals are Ag, Cu.
APPEARS IN
RELATED QUESTIONS
Define: Compounds
Write true or false
Milk is an emulsion.
Name the element used as a standard for atomic mass scale.
What do the following symbol stand for?
H2
For writing a chemical formula – ‘symbols’ and combining capacity of an element with hydrogen i.e. ‘valency’ should be known. Explain the term – combining the capacity of an element i.e. valency.
State which element exists in the highest percentage in human body.
State the type of element for the following:
Chlorine
Give three reasons why – carbon dioxide is considered a compound, while carbon – an element.
Write the chemical formula of the following:
Sodium bromide
The symbol of tungsten is _______.
