Cov txheej txheem:

Yuav ua li cas koj nco lub sij hawm lub rooj song?
Yuav ua li cas koj nco lub sij hawm lub rooj song?

Video: Yuav ua li cas koj nco lub sij hawm lub rooj song?

Video: Yuav ua li cas koj nco lub sij hawm lub rooj song?
Video: [HD] Kristine Xiong Lub Sijhawm with Lyrics 2024, Kaum ib hlis
Anonim

VIDEO

Tsuas yog li ntawd, koj yuav ua li cas thiaj nco tau thawj 20 lub ntsiab lus ntawm lub sijhawm?

Mnemonic Device: Zoo siab Henry Nyob Ib sab ntawm Boron Tsev, Nyob ze Peb tus phooj ywg Nelly Nancy MgAllen. Silly Patrick nyob ze. Arthur Kisses Carrie. Ntawm no Nws nyob hauv qab txaj khaub ncaws, tsis muaj dab tsi nyob, xav tias ntshai, Naughty Margret Ib txwm Sighs, "Thov Txhob Clowning Ib puag ncig" (18 cov ntsiab lus )

Tsis tas li ntawd, yog lithium hlau? Lithium . Lithium yog ib feem ntawm alkali hlau pab pawg thiab tuaj yeem pom nyob rau hauv thawj kab ntawm lub rooj zaum hauv qab hydrogen. Zoo li txhua yam alkali hlau nws muaj ib qho valence electron uas nws nkag mus rau tsim ib qho cation lossis compound. Nyob rau hauv chav tsev kub lithium yog mos hlau uas yog silvery-dawb nyob rau hauv cov xim.

Ib yam li ntawd, atomic mass hauv science yog dab tsi?

Atomic loj los yog qhov hnyav yog qhov nruab nrab pawg ntawm cov protons, neutrons, thiab electrons nyob rau hauv ib lub caij atoms.

Kuv tuaj yeem nco txog biology li cas?

Cov hauv qab no yog cov lus qhia ua pov thawj rau kev nco cov ntaub ntawv thaum koj kawm txog biology

  1. Qhia nws. Tsis muaj ib txoj hauv kev zoo los ua kom koj nkag siab ib yam dab tsi dua li qhia rau lwm tus.
  2. Siv nws. Biology yog tag nrho ntawm terminology thiab cov lus tshwj xeeb.
  3. Siv cov khoom siv mnemonic.
  4. Flash cards.

Pom zoo: