Vad menas med begreppet "atomnumret"?

Atomstruktur quiz

Quiz
•
Chemistry
•
12th Grade
•
Medium

Peter Whitley
Used 2+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Det antalet elektroner
Det antalet protoner
Det antalet neutroner
Det antalet nukleoner
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Masstalet är:
De sammanlagda antalen protoner och elektroner
De sammanlagda antalen neutroner och elektroner
De sammanlagda antalen protoner och neutroner
Det medelvärdet för alla isotopernas massor av ett grundämne
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Vilket elektron ska har minst energi?
K
L
M
N
4.
DRAW QUESTION
45 sec • 1 pt
Rita den elektronkonfigurationen för Li (Z=3)

5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Det Periodiska systemet är anordnande efter:
Masstalet
Atomnumret
Atommassan
alfabetisk ordning
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vilket av de följande påståenden är korrekt för isotoper av ett grundämne?
Atomerna har samma antal neutroner
Atomerna har samma kemiska egenskaper
Atomerna har samma massor
Atomerna har olika antal protoner
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Grundämnet 'X' förekommer i tre olika isotoper: X-20 (90,92 %), X-21 (0,26 %) och X-22 (8,82 %). Vad är grundämnets atommassa?
22,179
19,179
20,179
21,179
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