GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the number of periods in which Periodic table is divided?
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6
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7
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8
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9
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Explanation:
Detailed explanation-1: -Concept: A periodic table is an arrangement of elements based on their atomic numbers and chemical properties. It is divided into 18 groups and 7 periods running vertically and horizontally respectively. The periodic table accommodates a discrete combination of metal, non-metals, and metalloids.
Detailed explanation-2: -it includes are Actinium (Ac), Rutherfordium (Rf), Dubnium (Db), Seaborgium (Sg), Bohrium (Bh), Hassium (Hs), Meitnerium (Mt), and Darmstadtium (Ds). Mnemonic for Period 7: Ak(c)ele R(f) D(b) S(g)harma ki B(h)ook mein H(s)ain Maths ke Difficult sawaal.
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