Structura atomului și legea periodicității
10th - 12th Grade
•20 Qs
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Structura atomului și legea periodicității
Quiz
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
Daniela Șterbeț
Used 4+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Atomii aceluiași element chimic conțin în nucleu un număr diferit de protoni
Adevărat
Fals
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Elementul chimic cu sarcina nucleului +37 este un element de tip „ s”.
Adevărat
Fals
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Elementul chimic care în oxidul superior are gradul de oxidare +7 formează un compus volatil cu hidrogenul cu compoziția HE.
Adevărat
Fals
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Substanța simplă formată din atomii elementului cu masa atomică relativă egală cu 7 în condiții normale este un gaz.
Adevărat
Fals
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Oxidul de sulf (VI) posedă proprietăţi acide mai pronunţate decât oxidul superior al elementului cu numărul de ordine 34.
Adevărat
Fals
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
În clorura de hidrogen cu masa de 3,65 g se conţin 6,02∙1023 molecule.
Adevărat
Fals
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Elementul chimic cu sarcina nucleului +25 este un element de tip „p”.
Adevărat
Fals
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