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

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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

✅ Correct Answer: Long period

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Source: This question is taken from the Everyday Science

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

(A) Periods
(B) Groups

(C) Zigzag
(D) Diagonal

✅ Correct Answer: Periods

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Source: This question is taken from the Everyday Science

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Who created periodic table...?

(A) Faraday
(B) Lavoisier

(C) Arrhenius
(D) Mendeleev

✅ Correct Answer: Mendeleev

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Source: This question is taken from the Everyday Science

Latest MCQs

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

✅ Correct Answer: The number of protons (atomic number) in the nucleus

Comments

Source: This question is taken from the Everyday Science

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