Selenium monosulfide formula

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

Identify two types of chemical bonding in the source of dietary potassium

Is a pencil falling to the floor anon contact force, a force, or a contact force