The most electronegative element among the following is
A. sodium
B. bromine
C. fluorine
D. oxygen
Answer: Option C
A. sodium
B. bromine
C. fluorine
D. oxygen
Answer: Option C
Which of the following phenomenon is considered responsible for Global Warming?
A. Greenhouse effect
B. Fire in coal mines
C. Dry farming
D. Monsoon
E. Trade winds
The nucleus of an atom consists of
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. All of the above
The number of moles of solute present in 1 kg of a solvent is called its
A. molality
B. molarity
C. normality
D. formality
Why
electronegativity increases across a period (left to right) and also decreases down a group
so the general trend is diagonally across the periodic table from left to right (excluding the noble gases)
fluorine is the most electronegative element and also the most reactive non-metal.