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

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

(A) 118

(B) 181

(C) 108

(D) 188

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Source: This question is taken from the Everyday Science

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Which of the following letter does not represent in periodic table...?

(A) X

(B) K

(C) J

(D) N

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Source: This question is taken from the Everyday Science

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What are rows in Periodic table called...?

(A) Period

(B) Group

(C) Verticals

(D) Perpendiculars

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According to Mosely the chemical properties of elements are the periodic function of their...?

(A) Atomic Size

(B) Atomic Mass

(C) Atomic Radius

(D) Atomic Number

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Source: This question is taken from the Everyday Science

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What are Columns in Periodic table called...?

(A) Period

(B) Group

(C) Verticals

(D) Perpendiculars

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Of the six noble gases in the periodic table, which is the lightest...?

(A) Nitrogen

(B) Hydrogen

(C) Helium

(D) Oxygen

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

(A) 7

(B) 8

(C) 9

(D) 6

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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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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 in the modern Periodic Table...?

(A) 5

(B) 6

(C) 7

(D) None of these.

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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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What is the first element in the periodic table...?

(A) Hydrogen

(B) Helium

(C) Nitrogen

(D) Carbon

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

(A) 12

(B) 18

(C) 7

(D) 8

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

(A) Periods

(B) Groups

(C) Rows

(D) Lanthanoids series

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Source: This question is taken from the Everyday Science

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

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