Koj puas nco qab cov ntsiab lus hauv pawg 18 li cas?
Koj puas nco qab cov ntsiab lus hauv pawg 18 li cas?

Video: Koj puas nco qab cov ntsiab lus hauv pawg 18 li cas?

Video: Koj puas nco qab cov ntsiab lus hauv pawg 18 li cas?
Video: Plab Plab Ntswg..(Pluav Pluav Ntswg) Maiv Twm New Song 2023-2024 2024, Kaum ib hlis
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Cov pab pawg suav nrog Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), thiab cov xov tooj cua Radon (Rn). Mnemonic rau Pawg 18 : Nws Tsis Tau Txog; Kara Xero Run pe out.

Yog li ntawd, yuav ua li cas kuv thiaj li 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 )

Vim li cas Pawg 18 Monatomic? Chemical Properties Tag nrho cov noble gases yog non-reactive hais. Qhov no yog vim lawv lub plhaub valence yog tag nrho ntawm electrons. Yog li ntawd tag nrho cov noble gases tsis hnov mob nrog lwm cov ntsiab lus, vim lawv cov qauv hluav taws xob ruaj khov. Lawv nyob ua ib qho atoms, uas yog lawv monatomic.

Pawg 18 hu ua dab tsi?

Noble Gases [kho kom raug] Cov roj noble yog nyob rau hauv Pawg 18 (8A). Lawv yog helium, neon, argon, krypton, xenon, thiab radon. Lawv ib zaug hu ua inert gases vim lawv tau xav tias yog inert kiag li-tsis tuaj yeem tsim cov tebchaw.

Muaj pes tsawg lub ntsiab lus nyob rau hauv pawg 18th?

xya

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