Tus nqi ntawm oh2 yog dab tsi?
Tus nqi ntawm oh2 yog dab tsi?

Video: Tus nqi ntawm oh2 yog dab tsi?

Video: Tus nqi ntawm oh2 yog dab tsi?
Video: txoj kev hlub tsheeb tiag ntawm tus neeg muaj nyaij EP kawg (ຕອນຈົບ) 2024, Tej zaum
Anonim

Ca( OH) 2 yog ib qho ionic compound, uas Ca yog cation thiab OH yog anion. Ca (calcium) muaj a nqi ntawm 2+, vim nws yog nyob rau hauv pawg 2 ntawm lub sij hawm lub rooj. OH (hydroxide) yog polyatomic ion nrog a nqi ntawm -1.

Ib yam li ib tug yuav nug, tus nqi ntawm AS yog dab tsi?

Table of Common Element Charges

Tus lej Element Them nqi
30 zinc 2+
31 gallium 3+
32 germanium 4-, 2+, 4+
33 arsenic 3-, 3+, 5+

Tom qab ntawd, lo lus nug yog, ua li cas koj paub tus nqi ntawm polyatomic ion? xam Los ntawm Oxidation Number Tus oxidation tooj ntawm oxygen yog -2, thiab oxidation naj npawb ntawm hydrogen yog +1. Ntxiv ua ke cov oxidation tooj ntawm tag nrho cov atoms nyob rau hauv lub polyatomic ion . Hauv qhov piv txwv, -2 +1 = -1. Qhov no yog qhov nqi ntawm polyatomic ion.

Tus nqi ntawm OH 2 yog dab tsi?

Ca( OH ) 2 yog ib qho ionic compound, uas Ca yog cation thiab OH yog anion. Ca (calcium) muaj a nqi ntawm 2 +, vim nws nyob hauv pab pawg 2 nyob rau ntawm lub rooj sib tham. OH (hydroxide) yog polyatomic ion nrog a nqi ntawm -1.

Tus nqi ntawm MG yog dab tsi?

Raws li qhov kawg tshwm sim, muaj qhov +2 nqi ntawm magnesium ion, raws li muaj ib tug nqi Qhov sib txawv ntawm 2 electrons 'tus nqi, tab sis nyob rau hauv ib txoj kev uas muaj ntau dua qhov zoo nqi.

Pom zoo: