What's the symbol for nitrogen

The decay constant of plutonium-239, a waste product from nuclear reactors, is 2.88*10-5year-1. part a what is the half-life of 239pu?

At one spot on Venus, the second closest planet to the sun, the surface temperature was 726 K. Convert this temperature to °C and °F.

Which term best describes all atoms in ionic bonds? A. stable B. unstable C. positively charged D. negatively charged

Would the atomic emission spectra of cobalt be the same on Earth as on the moon? Explain.

Which of the following reagents is an environmental toxin? Select all answers that apply. a. hydrazine sodium b. hydrosulfite triethylene c. glycol triethylene d. glycol 3-nitrophthalic acid e. hydrogen peroxide

When does a spring tide take place? At the beginning of spring Only during the spring season Only after spring is over At any time

The highest cloud are known as

What is the mass of 4.85 X 10^22 atoms of iron (Fe) ?

If element x has 95 protons how many electrons does it have

Which of the following when dissolved in deionized water would make a good conducting solution? a) methanolb) sugarc) baking soda