Why do elements in the same group of the periodic table have similar properties?

You have two buffered solutions. Buffered solution 1 consists of 5.0 M HOAc and 5.0 M NaOAc; buffered solution 2 is made of 0.050 M HOAc and 0.050 M NaOAc. How do the pHs of the buffered solutions compare? (Note: Ac - = acetate ion, CH3COO-). A.

A physical change occur when a A. bracelet turns your wrist green B. Peach spoils C. Glue gun Melts a glue stick D. Copper bowl tarnishes

How many molecules are in a sample of sucrose that has a mass of 15.0 G

Which of the following statements about tornadoes is false? A). most tornadoes form during the afternoon. B). most tornadoes have funnels taller than 105 m (344ft). C). most tornadoes form during the spring and summer months. D).

Based on the electron configuration of the two atoms, predict the ratio of metal cationic (+) atom to nonmetal anionic (-) atom in the compound. Lithium 1s^2 2s^1 Oxygen 1s^2 2s^2 2p^4 A. 1:1 B. 1:2 C. 2:1 D. 3:1

What is the density of a block of marble that occupies 311 cm cubed and has a mass of 853 g?

Explain how pressure affects a scuba diver rising to the surface

1) What is the mass of 5.24 moles of Fe504-7H2O?

The name given to the change of state from gas to liquid is

How many molecules of carbon dioxide, CO2, are present in 388.1 grams?