The element playing significant role in neuromuscular function and interneuronal transmission is :
Calcium is crucial for nerve function and muscle contraction due to its ability to influ-ence various signaling pathways.
Calcium (\( \text{Ca} \)) plays a vital role in neuromuscular function, interneuronal transmission, and other biological processes like cell signaling and muscle contraction.
It is involved in the release of neurotransmitters and the contraction of muscle fibers.
Calcium is crucial for nerve function and muscle contraction due to its ability to influ-ence various signaling pathways.
Consider the following sequence of reactions : 
Molar mass of the product formed (A) is ______ g mol\(^{-1}\).

In the first configuration (1) as shown in the figure, four identical charges \( q_0 \) are kept at the corners A, B, C and D of square of side length \( a \). In the second configuration (2), the same charges are shifted to mid points C, E, H, and F of the square. If \( K = \frac{1}{4\pi \epsilon_0} \), the difference between the potential energies of configuration (2) and (1) is given by: