Modern periodic law, periodic table structure, s p d and f block elements - One Line Questions
1.
The general electronic configuration of d-block elements is: —
$(n-1)d^{1-10} ns^{1-2}$
2.
How many groups are there in the Modern Periodic Table? —
18
3.
The total number of elements in the 7th period of the periodic table is: —
32
4.
The number of elements in the sixth period is: —
32
5.
The number of elements in the first period is: —
2
6.
The number of elements in the second period is: —
8
7.
The number of elements in the third period is: —
8
8.
How many periods are there in the Modern Periodic Table? —
7
9.
The number of elements in the fourth period is: —
18
10.
The number of elements in the fifth period is: —
18
11.
The two series of f-block elements are called: —
Lanthanides and Actinides
12.
The d-block elements are also known as: —
Transition elements
13.
According to the Modern Periodic Law, the physical and chemical properties of elements are periodic functions of their: —
Atomic number
14.
Elements in the same group of the periodic table have similar: —
Number of valence electrons
15.
The f-block elements are characterized by the filling of: —
f-orbitals
16.
Who is credited with proposing the Modern Periodic Law? —
Henry Moseley
17.
Which of the following is a characteristic property of p-block elements? —
Exhibit a wide range of oxidation states
18.
Which element has the electronic configuration $[Xe] 4f^7 6s^2$? —
Europium
19.
Which groups of the periodic table constitute the p-block elements? —
Group 13 to 18
20.
Which of the following groups constitutes the s-block elements? —
Group 1 and Group 2
21.
Which groups of the periodic table constitute the d-block elements? —
Group 3 to 12
22.
The elements of Group 18 are known as: —
Noble gases
23.
Noble gases have: —
High ionization energy
24.
Which of the following is a characteristic property of f-block elements? —
Tendency to form colored compounds
25.
Which of the following is NOT a characteristic property of s-block elements? —
Tendency to form covalent compounds
26.
Elements with atomic numbers greater than 92 are called: —
Transuranic elements
27.
Which element is the first member of the lanthanide series? —
Lanthanum (La)
28.
Which element has the electronic configuration $1s^2 2s^2 2p^6 3s^1$? —
Sodium
29.
Lanthanides are the elements where the filling of f-orbitals occurs in the: —
n=6 shell
30.
Actinides are the elements where the filling of f-orbitals occurs in the: —
n=7 shell
31.
All actinides are: —
Radioactive
32.
Elements in the same period of the periodic table have the same: —
Number of occupied electron shells
33.
The d-block elements are characterized by the filling of: —
Inner d-orbitals
34.
Alkali metals belong to which block of the periodic table? —
s-block
35.
The s-block elements are characterized by the filling of: —
36.
Which period is the longest in the Modern Periodic Table? —
Period 6
37.
Which period begins with Hydrogen? —
Period 1
38.
Alkaline earth metals belong to which block of the periodic table? —
s-block
39.
The element with atomic number 118 belongs to which block? —
p-block
40.
The element with atomic number 3 belongs to which block? —
s-block
41.
The element with atomic number 26 belongs to which block? —
d-block
42.
The element with atomic number 58 belongs to which block? —
f-block
43.
Metalloids are generally found along the boundary between metals and non-metals in the periodic table. Which block contains the most metalloids? —
p-block
44.
The p-block elements are characterized by the filling of: —
p-orbitals
45.
Which of the following elements is a non-metal and belongs to the p-block? —
Chlorine
46.
Which element has the electronic configuration $1s^2 2s^2 2p^6 3s^2 3p^4$? —
Sulfur
47.
The Modern Periodic Table is based on the atomic number of elements. What does the atomic number represent? —
The number of protons in the nucleus
48.
Which of the following is a characteristic property of transition elements? —
They exhibit variable oxidation states.
49.
Which element is the first member of the actinide series? —
Actinium (Ac)
50.
The f-block elements are known as: —
Inner transition elements