In an atomic model that includes a nucleus, positive charge is

a. located in the space outside the nucleus.

b. spread evenly throughout an atom.

c. concentrated at multiple sites in an atom.

d. concentrated in the center of an atom.

4. Using the word bank, explain why increasing the temperature increases the rate of reaction. Word Bank temperature kinetic energy collision (s) rate of reaction

Which of the following is a monatomic cation? A. Fr + <- - I believe this is correct. B. NH4+ C. Br- D. OH-

A bottle of fertilizer contains a 6.0 M solution of ammonium nitrate (NH4NO3). If you wanted to fertilize your garden with 15.0 L of a 0.18 M solution, what quantities of the liquid fertilizer and water would you mix together to spray on your garden

1.31 times 10^-22 / 6.6262 times 10^-34

1. Which statement is accurate? A) A gene consist of two traits. B) An allele is one form of a gene. C) Most alleles have many genes. D) An allele is made up of two genes. 2.

Fish breathe oxygen, o2, dissolved in the water. since water is a polar substance and oxygen is a nonpolar substance, how can there be any oxygen, o2, in the water?

Barium carbonate, baco3, is stable at ambient temperatures, but decomposes to barium oxide and carbon dioxide at higher temperatures.

How do an isotope and a radioactive isotope differ?

What is a cause of polarity in water molecules?

Which is the force of attraction that holds atoms together? A. gravity B. friction C. physical bond D. chemical bond