2. Periodic Classification of Elements - Exercise,
Class -10th, part -1
ЁЯО╖┈┉┅━ ❍❀ЁЯФШ❀❍ ┈┉┅━
рдиिрд╡्рд╡рд│ рд▓िрдЦाрдгЁЯУЭ рдо्рд╣рдгрдЬे рдЕрдн्рдпाрд╕ рдирд╡्рд╣े.
рдЕрдн्рдпाрд╕ рдХрд░рдгाрд▒्рдпाЁЯУЪ рдоुрд▓ांрдкेрдХ्рд╖ा рдЕрдн्рдпाрд╕ рди рдХрд░рдгाрд░ी рдоुрд▓ं рд╣ी рджрд░ी рдк्рд░рдЪंрдб рд╡ाрдврдд рдЖрд╣े.
рдмрд▒्рдпाрдЪ рдкाрд▓рдХांрдиा рдЕрд╕े рд╡ाрдЯрддे рдХी рдЖрдкрд▓ी рдоुрд▓ं рд▓िрд╣ीрдд ✍️ рдЖрд╣ेрдд рдо्рд╣рдгрдЬे рдЕрдн्рдпाрд╕ рдХрд░рдд рдЖрд╣ेрдд. рддी рдоुрд▓ं рдХेрд╡рд│ рдЗрдХрдбूрди рдкाрд╣ूрди рддिрдХрдбे рд▓िрд╣ीрддЁЯЦК️ рдЕрд╕рддाрдд.
рдирдо्рд░ рд╡िрдиंрддी:- рд╣ा рдЙрдкрдХ्рд░рдо рдо्рд╣рдгрдЬे рдкूрд░्рдг рдЕрдн्рдпाрд╕ рдирд╡्рд╣े. рд╡िрдж्рдпाрд░्рде्рдпाрдиे рдЦрд░ोрдЦрд░ рдзрдбा рд╡्рдпрд╡рд╕्рдеिрдд рд╡ाрдЪрд▓ा рдЖрд╣े рдХी рдиाрд╣ी, рдд्рдпाрд▓ा рдзрдб्рдпाрдЪे рдЖрдХрд▓рди рдЭाрд▓े рдЖрд╣े рдХा рдиाрд╣ी рдпाрд╕ाрдаी рдЪा рд╣ा рдк्рд░рдпрдд्рди рдЖрд╣े.
рд╢िрдХ्рд╖рдХाрдЪ्рдпा рд╣ाрддाрдд рдк्рд░рдпрдд्рди рдХрд░рдгे рд╣े рд╕рдЧрд│्рдпाрдд рдоोрдаे рд╢рд╕्рдд्рд░ рдЖрд╣े. рдоुрд▓ांрдиा рд╕्рд╡ाрдз्рдпाрдп рджिрд▓्рдпाрд╡рд░ рдоुрд▓ं рдирд╡рдиीрдд, рдХोрд╣िрдиूрд░, рдЗрди рдоाрдп рдкॉрдХेрдЯ..... рдпाрдордзूрди рдкाрд╣ूрди рд▓िрд╣िрддाрдд. рдЕрд╕े рдХॉрдкी-рдкेрд╕्рдЯ рдХрд░рдг्рдпाрдкेрдХ्рд╖ा рдд्рдпांрдЪ्рдпाрдд рдмрджрд▓ рдХрд░рдг्рдпाрд╕ाрдаी рдзрдб्рдпाрддूрди рд╕्рд╡ाрдз्рдпाрдп рджिрд▓्рдпाрд╕ рддो рдзрдбा рд╡ाрдЪрдгे рдоुрд▓ांрдиा рдХ्рд░рдордк्рд░ाрдк्рдд рдард░ेрд▓.
рдзрдбा рд╡ाрдЪूрди рдк्рд░рд╢्рдиांрдЪी рдЙрдд्рддрд░े рд╢ोрдзूрди рд▓िрд╣िрд▓्рдпाрд╕ рдд्рдпांрдЪा рд▓िрдЦाрдг рд╕рд░ाрд╡ा рд╕ोрдмрдд рдЕрдн्рдпाрд╕ рд╡ाрдвेрд▓.
рдкाрда्рдпрдкुрд╕्рддрдХाрддूрди рдк्рд░рд╢्рди рджेрддाрдиा рд╣ी рдХाрд│рдЬी рдШेрддрд▓ी рдХी рдзрдб्рдпाрдк्рд░рдоाрдгे рд╕рд▓рдЧ рдк्рд░рд╢्рди рди рд╡िрдЪाрд░рддा рдХोрдгрдд्рдпाрд╣ी рдкाрдиाрд╡рд░рдЪे рдк्рд░рд╢्рди рд╣े рдХ्рд░рдорд╢ः рд░ाрд╣рдгाрд░ рдиाрд╣ीрдд.
- ...... non metal is in liquid state at normal temperature.
- Which alkaline earth metal does not react with water.
- A zig-zag line can be drawn in the ....... -block of the periodic table.
- ......... ......... is the distance between the nucleus of the atom and its outermost shell.
- The s-block contains the groups ...... and ..... .
- The electronic configuration of fluorine is .....
- Group 13 to 18 and zero group elements are present in which block?
- Write maximum electron capacity of the shells K, L and M.
- The modern periodic table is also called the long form of the ....... ........... .
- State the modern periodic law.
- What is meant by the modern periodic table?
- Define period.
- Write two names of Inert gas elements.
- Write two isotopes of chlorine.
- The group 17 contains the members of the ........ family
- .... Found out that atomic number is a fundamental property of an element rather than its atomic mass.
- All the elements beyond ........ are manmade.
- Write any two Periodic trends in the modern periodic table.
- All the ......... lie on the left side of the zig-zag line.
- Atomic mass of beryllium 14.09 was changed to the correct value......
- Write Newlands law of octives.
- There are ..... electrons in the outermost shell of the elements from the group 17.
- Mendeleeve periodic law
- Mendeleeve given the names eka- aluminium, eka-boron and eka- silicon after discovery they named as ........ , ....... and ......... respectively .
- Write two properties of manmade elements.
- The valency of gallium is ...... .
- The groups 13 to 18 constitute the ..... -block.
- Chlorine has two isotopes, their atomic masses are ...... & ...... .
- Write one example of the same whole number atomic mass from Mendeleeve's periodic table.
- In nature which element shows similarity with halogens?
- There was no place reserved for ....... ....... in Mendeleev’s original periodic table.
- Write two examples of elements in the third period.
- Write position of alkali metals in the modern periodic table.
- ' ........ ...... ' is a more fundamental property of an element then its atomic mass.
- Write the name for two rows shown separated at the bottom of modern periodic table.
- The groups ..... to ..... constitute the d-block.
- Define group.
- Electron holding capacity of M shell is .....
- Write the molecular formula of oxides of Cl, C, Si, P.
- Write the name of non metal which is in liquid state.
_*рдпрд╢ाрд▓ा рдЪрдХाрдХी рддेрд╡्рд╣ाрдЪ рдоिрд│рддेрдЬेрд╡्рд╣ाрдк्рд░рдпрдд्рдиांрдЪा рдкाрдпा рдордЬрдмूрдд рдЕрд╕рддो.*__*рдЖрдгि рд╡्рдпрдХ्рддीрд▓ा рд╕рди्рдоाрди,рдЖрджрд░ाрдЪे рд╕्рдеाрди рддेрд╡्рд╣ाрдЪ рдоिрд│рддेрдЬेрд╡्рд╣ा рдд्рдпाрдЪी рдк्рд░рдд्рдпेрдХ рдХृрддी рдк्рд░ाрдоाрдгिрдХ рдЕрд╕рддे.*_*рдЖрдкрд▓ा рджिрд╡рд╕ рдЖрдиंрджी рдЬाрд╡ो.*ЁЯО╖* рд╢्рд░ी ✍️
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