Chemistry
Differentiate between metals and non-metals with reference to –
(a) number of electrons in outer or valence shell
(b) formation of cation and anion
(c) reaction with dilute acids
Metals & Non-Metals
25 Likes
Answer
| S. No. | Chemical Property | Metals | Non-metals |
|---|---|---|---|
| (a) | No.of electrons in outer shell | Metals have 1, 2 or 3 electrons in the outer or valence shell. | Non-metals have 4, 5, 6 or 7 electrons in the outer or valence shell. |
| (b) | Formation of cation and anion | Metals lose or donate valence electrons and form cations. | Non-metals accept valence electrons and form anions. |
| (c) | Reaction with acids | Metals react with dilute acids to give hydrogen gas. | Non-metals do not react with dilute acids to give hydrogen gas. |
Answered By
16 Likes
Related Questions
With reference to the following metals state their – use in daily life
Metals:
(a) copper
(b) iron
(c) aluminium
(d) magnesium
(e) zinc
(f) lead
(g) silver
Describe a simple experiment to prove that – a copper wire conducts electricity, but a piece of coal does not.
Give a reason why – properties of metals are related to their activity or reactivity series of metals. Explain the same with reference to potassium and iron in the series.
Give the basic demarcation of the Modern Periodic Table into metals, metalloid and non-metals with special reference to halogens and noble gases.