Complete the lewis dot structure for h2co (in which both h atoms are bonded to c).

Place the elements below in order of decreasing ionization energy. Aluminum (Al) Chlorine (Cl) Magnesium (Mg) Sulfur (S)

Rank the following substances in order from most soluble in water to least soluble in water: ethane, C2H6; 2-butanol, C4H9OH; copper (II) sulfate, CuSO4; and propane, C3H8.

What is the relationship between molecules and atoms? Molecules are combinations of two or more atoms. Molecules are the parts that make up atoms. Molecules are the gaseous form of atoms. Molecules are atoms that have a positive charge.

How does wind patterns affect climate

What is sodium chloride

Which is an example of an exit her mic process?

The most active of all the chemical elements is a halogen known as A. iodine. B. fluorine. C. astatine. D. bromine.

A certain gas is present in a 11.0 l cylinder at 3.0 atm pressure. if the pressure is increased to 6.0 atm, the volume of the gas decreases to 5.5 l.

An example of the Hertzsprung-Russell diagram is shown above. Using this diagram, what can you say about white dwarfs? (Hint: Notice that the temperature on the x-axis is hotter on the left and cooler on the right.) A. They are very bright and hot.

You have decided to test the effects of five garden fertilizers by applying some of each to five separate rows of radishes. what is the variable you are testing? what factors should you control? how will you measure the results?