How have chemists changed the periodic table over time?

A. They have used the table to name elements.

B. They have used the table to discover subatomic particles.

c. They have organized elements alphabetically in the table.

D. They have added new elements to the table.

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth

In one or two grammatically correct sentences, write a definition for the term molecule geometry