All the isotopes of plutonium has 94 protons and 94 electrons. For the number of neutrons of a specified isotope: number of neutrons = rounded atomic mass of the isotope-atomic number (or protons number).
Canada thistle can be killed with either Roundup or 2,4-D weed killers. These weed killers will kill back the leaves on the plant and will kill back some of the root system. The best time to apply these weed killers is on sunny days when the temperatures are between 65 and 85 degrees F. (18-29 C.).hese weed killers will kill back the leaves on the plant and will kill back some of the root system. The best time to apply these weed killers is on sunny days when the temperatures are between 65 and 85 degrees F. (18-29 C.).
Bindi weed killer has also been know provide a great method of killing clover in the Lawn. Some recommend adding 2 teaspoons of dishwashing detergent to the application to help it better adhere to the cloverâs waxy type leaf. This weed killer will get rid of the clover but leave your lawn looking green.