
mangan i chrom
Authored by Dorota Antośkiewicz
Chemistry
2nd Grade
Used 10+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Położenie chromu w układzie okresowym pierwiastków to:
grupa 4 okres 6
grupa 5 okres 4
grupa 6 okres 4
grupa 6 okres 5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wskaż prawidłowy opis budowy atomu manganu
protonów 25, elektronów 25, neutronów 30
elektronów 25,protonów 25,neutronów 25
protonów 25, elektronów 25, nukleonów 30
protonów 25, elektronów 30 , neutronów 25
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ilość elektronów niesparowanych w atomie chromu to :
5
1
4
6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Elektrony walencyjne dla atomu manganu położone są
na dwóch różnych podpowłokach tej samej powłoki
na dwóch różnych powłokach
na powłoce 4
na powłoce 3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wskaż ilość elektronów rdzenia atomowego chromu
6
18
24
23
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zawiesina Mn(OH)2 w wodzie przybiera na powietrzu szybko barwę brunatną ponieważ następuje zmiana stopnia utlenienia manganu
z II na VII
z II na VI
z II na IV
z II na III
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Najbardziej typowe stopnie utlenienia manganu w związkach to
II, III VII
III, IV
II, IV, VII
V, VI
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