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GK MCQs Section

Page-6 of General Science – Chemistry

Lawrencium

Lawrencium (symbol Lr, atomic number 103) is a synthetic, highly radioactive metal belonging to the actinide series. It is the final member of this group in the periodic...

May 27, 2019

Lutetium

Lutetium is a silvery-white, dense rare-earth metal belonging to the lanthanide series of the periodic table. With the symbol Lu and atomic number 71, it is the last...

May 27, 2019

Livermorium

Livermorium is a synthetic, highly radioactive element with the symbol Lv and atomic number 116. It belongs to the chalcogen group (Group 16) of the periodic table, sharing...

May 26, 2019

Moscovium

Moscovium (symbol Mc, atomic number 115) is a synthetic, superheavy element placed in Group 15 of the periodic table, along with nitrogen, phosphorus, arsenic, antimony, and bismuth. It...

May 26, 2019

Mendelevium

Mendelevium is a synthetic radioactive element with the symbol Md and atomic number 101, belonging to the actinide series of the periodic table. It is named in honour...

May 25, 2019

Magnesium

Magnesium is a lightweight, silvery-white metallic element with the chemical symbol Mg and atomic number 12. It is the eighth most abundant element in the Earth’s crust and...

May 25, 2019

Manganese

Manganese (symbol Mn, atomic number 25) is a grey-white, hard, and brittle transition metal widely distributed in the Earth’s crust. It is an essential trace element for all...

May 24, 2019

Molybdenum

Molybdenum is a silvery-grey transition metal with the chemical symbol Mo and atomic number 42. Known for its exceptional strength, high melting point, and resistance to corrosion, molybdenum...

May 24, 2019

Meitnerium

Meitnerium is a synthetic, highly radioactive element with the symbol Mt and atomic number 109. It belongs to Group 9 of the periodic table, following cobalt, rhodium, and...

May 24, 2019

Nitrogen

Nitrogen (symbol N, atomic number 7) is a colourless, odourless, and tasteless gas that makes up about 78% of the Earth’s atmosphere by volume, making it the most...

May 24, 2019

Sodium

Sodium is a soft, silvery-white alkali metal with the chemical symbol Na and atomic number 11. It is one of the most abundant elements on Earth, found widely...

May 23, 2019

Niobium

Niobium is a lustrous, grey-white transition metal with the chemical symbol Nb and atomic number 41. It is a ductile, corrosion-resistant, and heat-tolerant element widely used across multiple...

May 23, 2019

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