Question

Which element precedes carbon in the modern periodic table?
1. Boron
2. Lithium
3. Beryllium
4. Magnesium

Answer 1

Correct Answer - Option 1 : Boron

The correct answer is Boron.

• Boron is similar to carbon in its capability to form stable covalently bonded molecular networks.
• Discovered by Joseph Louis Gay-Lussac in 1808. It has an atomic number of 5 in the periodic table.
• Boron is used for boron deficiency, menstrual cramps, and vaginal yeast infections.
• Boron is a chemical element with the symbol B.
• Boron is rare in the Universe and solar system due to trace formation in the Big Bang and in stars.

Lithium	Symbol - Li Atomic Number - 3 Atomic Mass - 6.941 g.mol-1 Discovered by Johann Artvedson in 1817
Beryllium	Symbol - Be Atomic Number - 4 Atomic Mass - 9.01218 g.mol-1 Discovered by Nicholas Louis Vauquelin
Magnesium	Symbol - Mg Atomic Number - 12 Atomic Mass - 24.305 Discovered by Joseph Black