Using the activity series, the reaction 2Al+6HBr-2 AlBr3+3 H2 will only occur ifAl is above Be on the periodic table or heat is added to the reaction or a precipitate forms or Al is above H on the activity series

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

56.16 gregor mendel was the first scientist to use statistics to analyze scientific data. before mendel's experiments, scientists believed that organisms acquired traits from their environment and passed them on to their offspring. after mendel's discoveries were accepted, scientists realized that traits passed to offspring were the result of genes being passed from parents to offspring. this is an example of pls

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.