2. * Which one of the following is the atomic number of an alkali metal?
A. 10 B. 11
C. 15
D. 20
A
B

How manyatoms of mercury are in 1.4214e+1 ml sample

What’s the percent by mass of carbon in c10h14n2

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma