In modern periodic table, how many periods are there...? Mcqs

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In modern periodic table, how many periods are there...?

(A) 7
(B) 8

(C) 9
(D) 6

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In whole Periodic Table which element Is Most Reducing Agent ...?

(A) Chlorine
(B) lithium

(C) Helium
(D) Neon

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The position of an element in the Periodic Table is determined by its __________ number...?

(A) Electron
(B) Proton

(C) Neutron
(D) None of these

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What are rows in Periodic table called...?

(A) Period
(B) Group

(C) Verticals
(D) Perpendiculars

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In periodic table elements are arranged according to ____...?

(A) Increasing atomic mass
(B) Decreasing atomic number

(C) Both A and B
(D) Increasing in atomic number

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In modern periodic table, how many groups are there...?

(A) 12
(B) 18

(C) 7
(D) 8

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Vertical columns in the periodic table of elements are called as__________...?

(A) Periods
(B) Groups

(C) Rows
(D) Lanthanoids series

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What are Columns in Periodic table called...?

(A) Period
(B) Group

(C) Verticals
(D) Perpendiculars

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In the periodic table, rows is considered to be a ____...?

(A) Periods
(B) Groups

(C) Zigzag
(D) Diagonal

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How many elements are in modern periodic table...?

(A) 118
(B) 181

(C) 108
(D) 188

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Which are the only two elements on the periodic table that are liquid at room temperature...?

(A) Mercury and Bromine
(B) Carbon and helium

(C) Nitrogen and Hydrogen
(D) Oxygen and Neon

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The horizontal rows of the periodic table are called ______...?

(A) Groups
(B) Periods

(C) Sets
(D) Matrices

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The periodic table divided into S, P, d, and f block based on _______...?

(A) Atomic Radius
(B) Electronic Configuration

(C) Ionization Energy
(D) Electron Affinity

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4th and 5th period in periodic table are known as...?

(A) Short period
(B) Long period

(C) Normal period
(D) Very long period

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How many rows and columns are in the modern Periodic Table...?

(A) 18 columns and 7 rows
(B) 12 columns and 9 rows

(C) 7 columns and 18 rows
(D) 25 columns and 15 rows

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How many rows in the modern Periodic Table...?

(A) 5
(B) 6

(C) 7
(D) None of these.

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The property decides the order of elements in the modern periodic table is ____...?

(A) The number of neutrons in the nucleus
(B) The number of electrons in the outermost shell

(C) The number of protons (atomic number) in the nucleus
(D) The atomic mass of the element

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Periods in the periodic table are ____...?

(A) Vertical columns
(B) Horizontal rows

(C) Diagonal lines
(D) Blocks

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How many coloumns in the modern Periodic Table...?

(A) 17
(B) 18

(C) 19
(D) None of these.

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