1- Lithium reacts with water in a single replacement reaction. How many moles of hydrogen gas a produced by 10 grams of lithium? 2Li + 2H2O = 2LiOH + H2
2- If 22 L of methane (CH4) gas burns (combustion), how many moles of oxygen will be needed for complete combustion?
CH4 + 2O2 = CO2 + 2H2O
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Afamily is one another name for a group on the table of elements.

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Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.