
distribuição eletrônica de elétrons
Authored by MICHELE SANTOS
Chemistry
1st Grade
Used 31+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual a distribuição eletrônica de um átomo X, que possui número atômico 35?
1s2, 2s2, 2p5
1s2, 2s2, 2p6, 3s2, 3p1
1s2, 2s2, 2p2
1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O número de elétrons da camada de valência do átomo de cálcio (Z = 20), no estado fundamental, é
1
2
6
4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
O número de elétrons em cada subnível do átomo estrôncio (38Sr) em ordem crescente de energia é:
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2
1s2 2s2 2p6 3s2 3p6 4s2 4p6 3d10 5s2
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 5s2
1s2 2s2 2p6 3p6 3s2 4s2 4p6 3d10 5s2
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quantos elétrons no máximo a camada N comporta?
8
18
32
2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A distribuição em camadas do elemento Frâncio (Z=87) é representada por qual opção:
2 - 8 -18 - 32 - 32 - 27
2 - 8 - 18 - 18 - 18 - 18 - 5
2 - 8 - 18 - 32 - 18 - 8 - 1
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual é o elemento que tem a seguinte configuração eletrônica:
1s22s22p63s2
Ca
Mg
Sr
Ra
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quantos elétrons suporta o subnível d?
2
6
10
14
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