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Maharashtra State BoardSSC (English Medium) 10th Standard

To the left of the zig-zag line in the periodic table are the metal elements. - Science and Technology 1

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Question

To the left of the zig-zag line in the periodic table are the metal elements.

Options

  • Right

  • Wrong

MCQ
True or False
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Solution

To the left of the zig-zag line in the periodic table are the metal elements- Right

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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 7

RELATED QUESTIONS

Fill in the blank:

The modern periodic table consists of ……………. periods.


Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?


Compare and contrast the arrangement of elements in Mendeleev’s periodic Table and the Modern Periodic Table.


Fill in the following blank with suitable word:

Group 1 elements are called ...............


Fill in the following blank with suitable word:
Group 17 elements are known as ...............


Give two example of group 1 elements.


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


How would the tendency to gain electrons change on moving from left to right in a period of the periodic table?


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 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


From the standpoint of atomic structure, what determines which element will be the first and which the last in a period the periodic table?


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.


How many groups and periods does the modern periodic table have?


Name the type of elements which have outermost shell complete.


Name the type of elements which have two outermost shell incomplete.


Name the type of elements which have two electrons in the outermost orbit.


An element barium has atomic number 56. Look up its position in the periodic table and answer the following question.

What will be the formula of its phosphate?


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

 

 

Write a short note.

Position of isotopes in the Mendeleev’s and the modern periodic table.


What is meant in the periodic table by a period?


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Period


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It has a similar structure to diamond.


Spot the error:

The elements of group 13 are called the carbon family.


Match the atomic number with the following:

An element of group 2.


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