
тесты протоны, электроны , нейтроны
Quiz
•
Chemistry
•
8th Grade
•
Hard
Laylo Xujamkulova
Used 1+ times
FREE Resource
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11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Катион Х+2 имеет в 3 раза больше электронов чем анион С-2 определите Х
Mg
Cr
Fe
Ca
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Катион Х+2 имеет 10 электронов определите число нуклонов в его составе и по сколько
Атомную массу
24,14,14
20,10,10
24,12,12
24,13,11
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Катион Х+2 имеет в 3 раза больше электронов чем анион С-2 определите Х
Mg
Cr
Fe
Ca
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Катион Са+2 имеет в 1,8 раза больше электронов чем анион Х- определите Х
фтор
хлор
бром
йод
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Катион Х+3 имеет в 118 нейтронов и 76 электронов определите атомную массу
118
121
197
194
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Химический элемент- совокупность атомов с одинаковым ....
атомная масса
заряд ядра
эквивалент
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O3---C3H8---NO---PH3---H2SКак меняется в данном ряду сумма всех частиц
а)увеличивается б)уменьшается с)не меняется
1б2а3а4б
4с3б2а1б
2а 1б4б3б
2б1б4с3б
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