What is the symbol and valence for Sodium?

Which would be the best way to represent the concentration of a 1.75 M K2CrO4 solution?

Hydrochloric is an acid a base a neutral

two people start out 100 meters apart from each other and start moving towards each other at the same time. One person is moving at half the speed of the other person and they meet after 25 seconds of travel time. what was the speed of each person.

What are the two homologous structures?

If this atom were to lose its outer shell electron the ten remaining electrons would a. remain in their shells. b. form an ionic bond with another atom. c. shift so that one electron would move up to take the place of the lost electron. d.

The diagram to the right shows energy for two reactions, A and B. Which reaction has the higher Gpx?

To be considered a source of water pollution, the source must include a chemical.

2,000 kJ worth of heat is absorbs by each of the following objects. Which object will experience the smallest temperature change

How are real gases different from ideal gases?

Which one doesnt belong in the list below? A. a meter B. one liter C. One centimeter D. one kilometer