Which phrase describes a valence electron?(1 point) an electron in the innermost orbit of an atom

an electron that has been removed from an atom

any negatively charged particle in an atom

an electron in the outer energy level of an atom

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

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2