Silicon melt at 1410 degree celsius. phosphonus melt at 44 degree celsius. Explain the difference in these melting point by referring to forces between the particles and energy.

100mg magnesium reacts with 20ml of 1.0m hcl

Describe the chemical reaction based on the chemical equation below. also, explain whether the equation is balanced.

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.