Cov txheej txheem:

Muaj pes tsawg lub ntsiab lus nyob hauv tsev neeg alkali?
Muaj pes tsawg lub ntsiab lus nyob hauv tsev neeg alkali?

Video: Muaj pes tsawg lub ntsiab lus nyob hauv tsev neeg alkali?

Video: Muaj pes tsawg lub ntsiab lus nyob hauv tsev neeg alkali?
Video: Nco Txog Hmoob - Xf. Txawj Pes Vaj & Fishermen's Project (Live Session) [Lyric Video] 2024, Tej zaum
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rau

Ib yam li ntawd, nws yog nug, dab tsi nyob hauv tsev neeg alkali?

Thawj kem ntawm lub rooj zaum yog hu ua pawg ib. Nws kuj tshwm sim hu ua tus alkali hlau tsev neeg . Cov tswv cuab ntawm no muaj koob meej tsev neeg yog lithium (Li), sodium (Na), poov tshuaj (K), rubidium (Rb), cesium (Cs), thiab francium (Fr).

Ib yam li ntawd, 7 tsev neeg ntawm lub rooj zaum yog dab tsi? Cov npe no suav nrog cov hlau alkali, alkaline ntiaj teb hlau, cov hlau hloov pauv, lanthanides, thiab actinides, thiab xya cov ntsiab lus hauv pawg 3 txog 6-aluminium, gallium, indium, thallium, tin, lead, thiab bismuth.

Kuj nug, cov khoom dab tsi yog alkali hlau?

Alkali hlau yog:

  • Lithium.
  • Sodium.
  • Potassium.
  • Rubidium.
  • Cesium.
  • Francium.

Dab tsi yog 18 tsev neeg ntawm lub rooj zaum?

Cov lus

  • Pab pawg (tsev neeg): Ib kab ntsug hauv kab lus.
  • Alkali hlau: Pab pawg 1A ntawm lub sijhawm teem sijhawm.
  • Alkaline ntiaj teb hlau: Pab pawg 2A ntawm lub sijhawm teem sijhawm.
  • Halogens: Pawg 7A ntawm lub sijhawm teem sijhawm.
  • Noble gases: Pab pawg 8A ntawm lub sijhawm teem sijhawm.
  • Hloov cov ntsiab lus: Pawg 3 mus rau 12 ntawm lub sijhawm teem sijhawm.

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