Diameter of an atom is in the order of________________?
A0.2pm
B0.2nm
C0.2m
D0.2mm
Correct answer
B. 0.2nm
Explanation
0.2nm is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
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Correct answer
B. 0.2nm
Explanation
0.2nm is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. 17
Explanation
Chlorine is a chemical element with the symbol Cl and atomic number 17. The second-lightest of the halogens, it appears between fluorine and bromine in the periodic table and its properties are mostly intermediate between them. Chlorine is a yellow-green gas at room temperature.
Correct answer
B. 1.6 x 10-27 kg
Explanation
1.6 x 10-27 kg is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. Nitrogen
Explanation
Nitrogen is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. 6
Explanation
6 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. Proper growth of plants
Explanation
Proper growth of plants is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
B. both A & C
Explanation
both A & C is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
C. more than 7
Explanation
more than 7 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
A. CH3-CHO
Explanation
CH3-CHO is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Correct answer
D. 180g/dm3
Explanation
180g/dm3 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.