Advertisements
Advertisements
प्रश्न
State any three differences between the physical properties of metals and non-metals.
उत्तर
| Physical properties | Metal | Non-metal |
| (i) Malleability and ductility | Metals are malleable and ductile. | Non-metals are not malleable and ductile. |
| (ii) Hard and tough | Metals are hard and tough. | Non-metals are soft. |
| (iii) Conductivity of heat and electricity | Metals are good conductors of heat and electricity. | Non-metals are bad conductors of heat and electricity. |
APPEARS IN
संबंधित प्रश्न
Write a balanced chemical equation for the reaction of zinc with potassium hydroxide solution.
The electronic configurations of four particles A, B, C and D given below:
| A | 2, 8, 8 |
| B | 2, 8, 2 |
| C | 2, 6 |
| D | 2, 8 |
Which electronic configuration represents:
(i) magnesium atom?
(ii) oxygen atom?
(iii) sodium ion
(iv) chloride ion?
Name a non-metal that a good conductor of heat and electricity
Name a non-metal that is liquid at room temperature
Name the metals present in the following alloys
Duralumin
Fill in the blank
A chemical compound that makes up the striking heads of match sticks is ______
Name:
a metal which can float on water
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.
Complete the statement given below, by filling in the blank with the correct word:
A non-metal that leaves a mark on paper _______
Paheli bought a statue made up of copper. To her surprise, it acquired a dull green coating after a couple of months. Explain the reason.
