Question

define metal with example ​

Answer 1

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define metal with example ?

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These are the substances which are electropositive in nature i.e., they have a tendency to lose electrons.They generally have 1, 2, or 3 electrons in their outermost shell.

Metals are the elements that conduct heat and electricity and are malleable and ductile. Metals are also lustrous (Shiny) ,  strong and sonorous (which make ringing sound when struck ). Some of the examples of metals are Iron, Aluminium, Copper, Mercury, Zinc, Tin, Lead, Gold, and Platinum etc.

Example :-

Also metals react with oxygen to produce oxides that are basic in nature ( the basic nature of metallic oxide can be tested with the help of litmus paper or a universal indicator). 

Example :-

Mg will react with oxygen to form MgO which is basic nature

2Mg + O2 -----> 2MgO

 

Metals also react with acids to produce hydrogen gas.

Example :-

Zn(s) + H2SO4 (aq) -----> ZnSO4(aq) + H2(g)

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Answer 2

Answer:

sodium

potassium

magnesium

aluminum

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