Answer:
C5P4
Explanation:
the answer is C5P4 because penta is 5 and tetra is 4
Answer:
volume of 
Explanation:
Firstly balance the given chemical equation,

From the given balance equation it is clearly that,
2 mole of Li gives 1 mole of H2 gas
⇔
⇔
⇔
hence
3 mole of Li will give 1.5 mole H2 gas
therefore volume of gas produced from 3 mole Li at 
volume of H2=33.6 litre
the correct amswer is 4.17g
Answer:
they have an equal number of positive and negative charges