Lithium reacts spontaneously with bromine to produce lithium bromide. write the balanced chemical equation for the reaction. (use the lowest possible whole number coefficients. omit states-of-matter from your answer.)

Litmus paper is made from water-soluble dyes which are extracted from lichens. this paper is used as an acid-base indicator. which of these common household substances would turn blue litmus paper red? a) bleach b) lye c) soap d) vinegar

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural. question 2 reflects a moral or social value. question 3 refers to something that can be measured. question 4 reflects a question that can’t be observed.