Question

2. Distinguish between the physical properties of metais
gl melting & boiling point hl density. 14
b) malleability c] ductility d] tensile strength e] sonority f} conduction of heat belt
3. With reference to the physical properties of metals & non-
metals, state the following exces
non-lustrous cl a non-metal which has low tensile strength d) a non-metal which conduct
al a metal which is liquid at room tempetature ble non-metal which sublime
electricity e) a metal which floats 88 Water
4. With reference
to the following metals state their - use in daily life
al copper
bl iron c) aluminium
2 lifeprgcells Farth pine
d] magnesium ej zinc f] lead X1 sile
Describe a simple experiment to prove that - a copper wire conducts electricity, but a piece
Metals
Differentiate between metals & non-metals with reference to - al number of electron
outer or valence shell b] formation of cation & anion c reaction with dilute acids. 73
Give a reason why - properties of metals are related to their activity or reactivity series
metals. Explain the same with reference to potassium & iron in the series.
Give the basic demarkation of the Modern Periodic Table into metals, metalloids
non-metals with special reference to halogens & noble gases. 78
Give a reason why the non-metals - halogens & noble gases are placed in separate grou
of the periodic table with special reference to their difference in properties.
tate what are metalloids. Name the elements recognised as metalloids. Compare the proper
metalloids with those of metals. State the uses of three different metalloids.80​

Answer 1

Answer:

ydodoydoycooucuocuocucocuody

Answer 2

Answer:

physical properties of metals:-

It is sonorous.

It is ductile.

It is the good conuctor of electricity and heat