Periodic Classification of Elements
Quiz Summary
0 of 4 Questions completed
Questions:
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 4 Questions answered correctly
Your time:
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
| Average score |
|
| Your score |
|
Categories
- Not categorized 0%
| Pos. | Name | Entered on | Points | Result |
|---|---|---|---|---|
| Table is loading | ||||
| No data available | ||||
- 1
- 2
- 3
- 4
- Current
- Review / Skip
- Answered
- Correct
- Incorrect
-
Question 1 of 4
1. Question
Which of the following statements is/are correct for dobereiner triads?
1. It was given in the year 1816.
2. It was a group of three elements.
3. When the three elements in a triad were written in the order of increasing
atomic masses; the atomic mass of the middle element was roughly the average
of the atomic masses of the other two elements.CorrectIncorrect -
Question 2 of 4
2. Question
Which of the following statements is/are true for law of octaves.
1. It was applicable upto potassium.
2. Assumption was only 56 elements will exist.
3. It was given by John Newlands.CorrectIncorrect -
Question 3 of 4
3. Question
Which of the following is not based on atomic mass?
1. Dobereiner triads
2. Newlands\’ law of octaves
3. Mendeleev classification
4. Modern periodic tableCorrectIncorrect -
Question 4 of 4
4. Question
Which of the following statements is not a correct statement about the trends when going from left to right across the periods of periodic table.
CorrectIncorrect