PLEASE HELP! 1) Explain how the type of bonding between metals accounts for malleability and ductility.
2) Write the formula of the compound formed between ammonium and sulfate.
3) what is the name of the compound that forms when silver transfers one electron to nitrogen?
4) write the formula for the compound produced when magnesium and nitrate combine.
5) write the formula for the compound produced when iron transfers two electrons to phosphorus.

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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definition

                    entropy is a measure of the randomness or the extent of disorder of a chemical process.

                      enthalpy is a measure of the heat change of a reaction occurring at a constant pressure.

measurement units:

                        entropy is measured in joule per kelvin (jk⁻¹)   whereas enthalpy is measured in joule per mole (jmol⁻¹)

requirements:

                            entropy has no requirements or limits, and its change is measured by the division between the heat change of the chemical process and the temperature.

                              in contrast, enthalpy can only be related to the heat change of the reaction under standard conditions.