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Periodic Classification Of Elements

Which of the following set of elements is written in order of their increasing metallic character?
(a) Be Mg Ca
(b) Na Li K
(c) Mg Al Si
(d) C O N

CBSE, Class 10, NCERT, Periodic Classification Of Elements, Science

Solution: The answer is (a) Be Mg Ca Explanation: As we progress through the group, the metallic character becomes more prominent. Berrylium is at the top of the list of elements that are members of...

According to Mendeleev’s Periodic Law, the elements were arranged in the periodic table in the order of
(a) increasing atomic number
(b) decreasing atomic number
(c) increasing atomic masses
(d) decreasing atomic masses

CBSE, Class 10, NCERT Exemplar, Periodic Classification Of Elements, Science

Solution: Answer: option (c) increasing atomic masses Explanation: In accordance with Mendeleev's periodic law, the elements in the periodic table were organized in the periodic table in the order...

Which of the following set of elements is written in order of their increasing metallic character?
(a) Be Mg Ca
(b) Na Li K
(c) Mg Al Si
(d) C O N

According to Mendeleev’s Periodic Law, the elements were arranged in the periodic table in the order of
(a) increasing atomic number
(b) decreasing atomic number
(c) increasing atomic masses
(d) decreasing atomic masses

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Which of the following set of elements is written in order of their increasing metallic character? (a) Be Mg Ca (b) Na Li K (c) Mg Al Si (d) C O N

According to Mendeleev’s Periodic Law, the elements were arranged in the periodic table in the order of (a) increasing atomic number (b) decreasing atomic number (c) increasing atomic masses (d) decreasing atomic masses

Which of the following set of elements is written in order of their increasing metallic character?
(a) Be Mg Ca
(b) Na Li K
(c) Mg Al Si
(d) C O N

According to Mendeleev’s Periodic Law, the elements were arranged in the periodic table in the order of
(a) increasing atomic number
(b) decreasing atomic number
(c) increasing atomic masses
(d) decreasing atomic masses