Video: Muaj pes tsawg qhov kev xeem nyob rau hauv kev sib koom ua ke?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Ua ke science cov menyuam kawm ntawv yuav zaum rau kev xeem thaum kawg ntawm chav kawm raws li qhia ntawm no. Nyob ntawd yuav ob Biology xeem , ob Chemistry kev xeem thiab ob Physics kev xeem.
Ntawm no, muaj pes tsawg daim ntawv muaj rau kev sib koom ua ke?
Muaj rau daim ntawv : ob biology, ob chemistry thiab ob physics.
Tsis tas li ntawd, puas yog 4 3 dhau los hauv GCSE science? Feem ntau, tus menyuam kawm ntawv uas yuav tau qhab nia A nruab nrab kev kawm thiab ntxiv kev kawm xyoo 2017 yuav tau qib 7-7 hauv GCSE Ua ke Kev tshawb fawb los ntawm 2018 mus rau. Nyob rau lub caij ntuj sov 2018 Ofqual tau qhia qib 3-3 tshiab rau kev ua ke kev kawm , thiab qib kev nyab xeeb puv puv 4-3 nyob ua ke kev kawm.
Yog li ntawd, muaj pes tsawg qhov kev xeem muaj nyob rau hauv triple science?
Triple Khoom plig Kev tshawb fawb (qee zaum hu ua 'Separate Kev tshawb fawb ' los yog 'Single Kev tshawb fawb ') yog qhov uas cov tub ntxhais kawm kawm tag nrho peb kev kawm thiab xaus nrog peb GCSEs.
Ntev npaum li cas yog kev xeem science ua ke?
Cov tub ntxhais kawm yuav zaum 2 kev xeem hauv ib qho kev kawm ( Biology , Chemistry & Physics). Txhua kev xeem yuav yog 1h 15 feeb ntev thiab tsim nyog 70 qhab nia. Txhua kev xeem yog tsim nyog 16.6% ntawm tag nrho Ua ke Science GCSE.
Pom zoo:
Muaj pes tsawg qhov sib xyaw ua ke muaj rau qhov txiaj ntsig ntawm L thiab ML thaum N 2?
Muaj plaub qhov sib xyaw ua ke rau qhov tseem ceeb ntawm l thiab ml rau n = 2. Lub n = 2 lub zog tseem ceeb suav nrog s orbital thiab p orbital
Muaj pes tsawg qhov kev zam rau tus qauv electron configurations muaj nyob rau hauv D block?
ob Ntawm no, cov ntsiab lus twg yog kev zam rau Aufbau txoj cai? Piv txwv li, ruthenium, rhodium, nyiaj thiab platinum yog tag nrho kev zam rau Aufbau txoj cai vim yog sau los yog ib nrab puv subshells. Ib sab saum toj no, yog vim li cas electron configuration rau tooj liab 1s22s22p63s23p63d104s1 es tsis txhob 1s22s22p63s23p63d94s2?
Muaj pes tsawg lub ntsiab lus nyob rau hauv lub rooj sib tham hauv 2018?
118 Tsis tas li cov lus nug yog, muaj pes tsawg lub ntsiab lus nyob rau hauv lub rooj sib tham hauv 2019? 150 Tsis tas li, Element 119 puas ua tau? Ununennium, tseem hu ua eka-francium los yog nqe 119 , yog cov tshuaj hypothetical keeb nrog lub cim Uue thiab tus lej atomic 119 .
Muaj pes tsawg chromosomes koom nrog hauv kev sib tw?
Chromosome abnormalities feem ntau tshwm sim thaum muaj kev ua yuam kev hauv cell division. Muaj ob hom kev faib cell, mitosis thiab meiosis. Mitosis tshwm sim nyob rau hauv ob lub hlwb uas yog duplicates ntawm thawj cell. Ib lub cell nrog 46 chromosomes faib thiab dhau los ua ob lub hlwb nrog 46 chromosomes txhua
Muaj pes tsawg txoj hauv kev genetic recombination muaj nyob rau hauv cov kab mob?
Muaj peb txoj hauv kev tseem ceeb uas genetic recombination tshwm sim hauv cov kab mob, thawj qhov hu ua transformation. Qhov no yog thaum ib daim DNA pub dawb los ntawm tus neeg tau txais kab mob