Ions are atoms or groups of atoms that have gained or lost electrons gained or lost protons gained or lost neutrons undergone radioactive decay different numbers of protons and neutrons in the same atom

For each of the following mixtures decide if filtering would be suitable to separate the substances. explain your answers. oil in water sugar in water sand in water chalk in water tea leaves in a cup of tea

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

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