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Maharashtra State BoardSSC (English Medium) 10th Standard

P-block is composed of groups 1 and 2. - Science and Technology 1

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Question

p-block is composed of groups 1 and 2.

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  • Right

  • Wrong

MCQ
True or False
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Solution

p-block is composed of groups 1 and 2- Wrong

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Chapter 2: Periodic Classication of Element - Right or Wrong sentence

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SCERT Maharashtra Science and Technology 1 [English] 10 Standard SSC
Chapter 2 Periodic Classication of Element
Right or Wrong sentence | Q 6

RELATED QUESTIONS

Give two example of group 17 elements.


where should hydrogen be placed in the modern periodic table? Give reason for your answer.


How does the chemical reactivity of the halogens vary on going in group 17 of the periodic table?


 Explain why All the elements of a group have similar chemical properties.


Explain why, the first period of the periodic table has only two elements whereas second period has eight elements


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Which of the following are the correct characteristics of isotopes of an element?
(i) same atomic mass
(ii) same atomic number
(iii) same physical properties
(iv) same chemical properties

(a) (i), (ii) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)

 

The following diagram shows a part of the periodic table in which the elements are arranged according to their atomic numbers. (The letters given here not the chemical symbols of the elements):

a
3
b
4
  c
5
d
6
e
7
f
8
g
9
h
10
i
11
j
12
  k
13
l
14
m
15
n
16

o
17
p
18

(i) Which element has a bigger atom, a or f?
(ii) Which element has a higher valency, k or o?
(iii) Which element is more metallic i or k?
(iv) Which element is more non-metallic, d or g?
(v) Select a latter which represents a metal of valency 2.
(vi) Select a letter which represents a non-metal of valency 2.


Name two elements in Alkali metals.


Name two elements in each case: 

Transition element


Fill in the blank:

The horizontal rows in the periodic table are called _____________.


Name the noble gas with 3 shells.


State the main aim of classifying elements. Which is the more fundamental property of elements that is used in the development of Modern Periodic Table? Name and state the law based on this fundamental property. On which side of the periodic table one can find metals, non-metals and metalloids?

 

 

State the modern periodic law for classification of elements. How many (i) groups and (ii) periods are there in the modern periodic table?

 

 

How will the tendency to gain electrons change as we go from left to right across a period? Why?

 


Give the symbol and valency of the following element and radical.

Sodium


Give the symbol and valency of the following element and radical.

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Give the symbol and valency of the following element and radical.

Nitrogen [Nitride]


Give the symbol and valency of the following element and radical.

Nitrate


Give the symbol and valency of the following element and radical.

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Give the chemical formula of sodium bicarbonate


Give the chemical formula of sodium sulphite


State any five features of modern periodic table.


______ is the longest period in the periodical table.


______ forms the basis of the modern periodic table.


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An element has 2 electrons in its N shell.

State its position in periodic table.


Answer the following in respect of element \[\ce{_16^32S}\].

Give its formula with hydrogen.


Match the atomic number with the following:

A rare gas.


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