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Q 1/50
Score 0
1. Which of the following elements has the highest electronegativity?
30
Fluorine
Lithium
Helium
Oxygen
Q 2/50
Score 0
2. Which group of elements on the periodic table is known as the alkali metals?
30
Group 18
Group 17
Group 1
Group 2
50 questions
Q.
1. Which of the following elements has the highest electronegativity?
1
30 sec
Q.
2. Which group of elements on the periodic table is known as the alkali metals?
2
30 sec
Q.
3. Which of the following elements has the lowest electronegativity?
3
30 sec
Q.
4. Which element is commonly used as a catalyst in the Haber process for ammonia production?
4
30 sec
Q.
5. Which element has the highest ionization energy?
5
30 sec
Q.
6. Which element is known for its superconductive properties at low temperatures?
6
30 sec
Q.
7. Which of the following elements has the highest atomic radius?
7
30 sec
Q.
8. Which element is highly reactive and forms a bright orange flame when ignited?
8
30 sec
Q.
9. Which element is commonly used as a semiconductor in electronic devices?
9
30 sec
Q.
10. Which of the following elements has the highest melting point?
10
30 sec
Q.
11. Which of the following elements is a noble gas?
11
30 sec
Q.
12. Which of the following elements has the highest ionization energy?
12
30 sec
Q.
13. Which element belongs to Group 17 and is known as a 'halogen'?
13
30 sec
Q.
14. Which of the following elements is a transition metal?
14
30 sec
Q.
15. Which property increases as you move from left to right across a period in the periodic table?
15
30 sec
Q.
16. Which element has the highest atomic radius?
16
30 sec
Q.
17. Which property of an element decreases as you move from top to bottom in a group in the periodic table?
17
30 sec
Q.
18. Which group of elements in the periodic table is known as the 'noble gases'?
18
30 sec
Q.
19. Atomic radii ____________ along the periods.
19
30 sec
Q.
20. What is the correct order of electronegativity among the following options?
20
30 sec
Q.
21. Ionization energies are always positive.
21
30 sec
Q.
22. The relationship between Li, Mg and Be, Al is called the __________ relationship.
22
30 sec
Q.
23. Which element has the highest reactivity?
23
30 sec
Q.
24. Which element in Period 3 has the highest melting point?
24
30 sec
Q.
25. Which element has the lowest electronegativity?
25
30 sec
Q.
26. Which element has the highest boiling point?
26
30 sec
Q.
27. Which element is the most reactive nonmetal?
27
30 sec
Q.
28. Which period in the periodic table contains the element with the atomic number 17?
28
30 sec
Q.
29. Which element has the symbol 'Fe' in the periodic table?
29
30 sec
Q.
30. Which group in the periodic table is known as the alkaline earth metals?
30
30 sec
Q.
31. Which trend describes the increase in atomic size as you move down a group in the periodic table?
31
30 sec
Q.
32. Which element is located in Period 4 and Group 1 of the periodic table?
32
30 sec
Q.
33. Which element is a noble gas?
33
30 sec
Q.
34. Which group in the periodic table is known as the halogens?
34
30 sec
Q.
35. Which element is known as the 'lightest metal'?
35
30 sec
Q.
36. Which element is a transition metal?
36
30 sec
Q.
37. Which element is a nonmetal?
37
30 sec
Q.
38. Which element has the highest ionization energy?
38
30 sec
Q.
39. Which element is a liquid at room temperature?
39
30 sec
Q.
40. Which of the following is superoxide?
40
30 sec
Q.
41. Who is the father of modern periodic table?
41
30 sec
Q.
42. Which of these elements has the highest electron affinity?
42
30 sec
Q.
43. Which of these elements has the lowest electron affinity?
43
30 sec
Q.
44. As you move from the top to the bottom of the periodic table:
44
30 sec
Q.
45. The correct order for the size of I, I+, I– is
45
30 sec
Q.
46. The correct order of electronegativity is
46
30 sec
Q.
47. The list that correctly indicates the order of metallic character is __________.
47
30 sec
Q.
48. Of the elements below, __________ is the most metallic.
48
30 sec
Q.
49. In general, as you go across a period in the periodic table from left to right:
(1) the atomic radius __________;
(2) the electronegativity __________; and
(3) the first ionization energy __________.
49
30 sec
Q.
50. The most common sulfur ion has a charge of _________.
