Maharashtra (English Medium) Std 10 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
What is known as Eka boron?

(A) Gallium	(B) Scandium
(C) Germasium	(D) Indium

Question-2
Identify metals from the following?

(A) Silicon	(B) Tin
(C) Chlorine	(D) Germanium

Question-3
The number of periods in modern periodic table?

(A) 12	(B) 8
(C) 7	(D) 14

Question-4
Group 18 elements are called?

(A) Alkali metals	(B) Halogens
(C) Transition metals	(D) Noble gases

Question-5
Lanthamides and actinides are called

(A) d - block elements	(B) f - block elements
(C) s - block elements	(D) p - block elements

Question-6
The law used by Newlands to arrange elements is known as?

(A) Law of triads	(B) Mesdeleev's Law
(C) Modern Periodic Law	(D) Law of octaves

Question-7
How many elements are there in period of a periodic table?

(A) 8 elements	(B) 2 elements
(C) 3 elements	(D) 16 elements

Question-8
Which scientist discovered that atomic number is the fundamental property of an element?

(A) Bragg	(B) Proust
(C) Hund	(D) Moseley

Question-9
The number of outermost electrons present in the outermost shell of an atom is called?

(A) Bonded electrons	(B) Non-bonding electrons
(C) Valence elctrons	(D) Anti-bonding electrons

Question-10
According to Mendeleev, physical and chemical properties of elements are periodic function of ?

(A) Atomic mass	(B) Atomic number
(C) Molecular mass	(D) Molar volume

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Std 10

Maharashtra (English Medium)

Practice in Related Chapters
School of Elements
Understanding Metals and Non metals
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