Get Started with ixamBee
Start learning 50% faster. Sign in now
Sodium has the electronic configuration 2,8,1, indicating that it belongs to Group 1 (alkali metals) in the periodic table. The single electron in its outermost shell makes it highly reactive. Key Points: 1. Sodium’s atomic number is 11. 2. It reacts vigorously with water to form sodium hydroxide. 3. It is used in street lighting (sodium vapor lamps). 4. Stored in oil to prevent reactions with air or moisture. 5. Plays a key role in the human body for nerve transmission. Bee Facts: • Magnesium (a): Configuration 2,8,2, used in alloys. • Chlorine (b): Configuration 2,8,7, a halogen. • Hydrogen (c): Configuration 1, simplest element. • Sodium (d): Alkali metal, essential for life processes.
Who among the following studies in the 12th standard?
Which of the following box is placed third from the top?
What may be the code of ‘when talent give work’?
Which of the following combination is correct?
Who among the following live immediately below B?
Four of the five among the following are similar in such a way to form a group. Which one of the following doesn’t belong to the group?
V lives on ____ floor and likes ____ colour.
Who among the following got the lowest marks?
Which one of the following combinations of ' floor number - person - family members ' is the correct one?
Statements:
J > G = Y ≥ K = S; L < T = I ≤ P ≤ E = K
Conclusions:
I. G > T
II. T = G
