Hydrogen gas is most important in our daily life​

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?