Santykinė atominė masė Santykinė molekulinė masė
Quiz
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
Jelena jelenasuskevic@rambler.ru
Used 7+ times
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kokiais vienetais matuojama santykinė atominė masė?
atomines masės vienetais
gramais
procentais
niekaip ne matuojama
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kaip sutrumpintai žymima santykinė atominė masė?
A
At
Am
Ar
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koks lengviausias cheminis elementas ir kokia jo atominė masė?
Vandenilis, 1,00794
Helis, 4,0026
Vandenilis, 1,6 * 10 -24
Vandenilis, 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kam yra lugu 1/12 anglies atomo masės?
6,02 * 10 23
1,66 * 10 -24 g
1,66 * 10 -24 kg
1,2 * 10 24
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ką rodo santykinė atominė masė?
Kiek sveria 1 atomas medžiagos
Kiek kartu elemento atomo masė mažesnė 1/12 aglies atomo masės
Kiek kartu elemento atomo masė didesnė 1/12 aglies atomo masės
Kiek izotopų sudaro sudaro mišinio vidutinė masė
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuo skiriasi skirtingų medžiagų molekulės?
atomų masė
atomų sudėtis
atomų forma
molekulės masė
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kiek kartų deguonies atomas, kurio masė yra 15,99 sunkesnis už anglies atomą?
2 kartus
1, 5 kartus
1, 4 kartusamolekummo
1, 3 kartus
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