How does an S2-ion differ from an electrically neutral Sulfur atom? 1) Atomic number

2)Number or electrons

3)Mass number

4)Nuclear charge

How air particles exert a pressure on the inside of the balloon

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane

What does the symbol (–hfus) indicate in a phase change?