How many electrons are in an atom of elemental sodium?

A) equal to the number of neutrons

B) equal to the number of protons

C) equal to the number of protons and neutrons

Milicent finds a plant in her backyard. It is tall and has large cones. What did Milicent find? moss fern conifer flowering plant

Navel oranges originated in which of the following? O A. Argentina O B. Brazil OC. Columbia OD. Cuba

What is the voltage of a galvanic cell made with magnesium and gold

Hydrochloric acid and sodium hydroxide are mixed together to form salt and water. During the reaction, the temperature of the solution increases. Which of these best explains why this is considered to be a chemical change? A. No energy was destroyed.

What are building blocks of protein?

A graduated cylinder is filled to the 40.00-mL mark with a mineral oil. The masses of the cylinder before and after the addition of the mineral oil are 124.966 g and 159.446 g, respectively. In a separate experiment, a metal ball bearing of mass 18.

Which element in Group 15 has the greatest metallic character? 1) N 2) P 3) Sb 4) Bi

Choose the statement below that is TRUE. A solution will form between two substances if solute-solvent interactions are of comparable strength to the solute-solute and solvent-solvent interactions.

When liquid silver nitrate and liquid sodium chloride are combined, solid silver chloride forms along with a new liquid, sodium nitrate. Witch substance represents the precipitate? Silver nitrate silver chloride sodium chloride sodium nitrate

The summer season at Arica and Rio de Janeiro Occurs from approximately