Which nuclide is most likely to be radioactive and synthetic

24/12 Mg

237/93Mg

195/78Mg

230/84Mg

The name of the blood cell that destroyed cells in the body is

How many calories would you need for converting ice at - 20oc to boiling water?

The energy per ion in an ionic crystal can be modeled by. For a crystalline sample, the cohesive energy, defined as the absolute value of the total position-dependent interaction energy, per ion is 9.1 eV, the lattice constant is 1.

Why did Whittaker propose a five kingdom system

Why will sugar dissolve faster in hot tea than it will in cold tea?

Hydrogen is 99% hydrogen-1; 0.8% hydrogen-2; and 0.2% hydrogen-3. calculate it's average atomic mass

Uranium-235 has a half-life of 713 million years. Would uranium-235 or carbon-14 be more useful for dating a fossil from Precambrian Time? Explain.

Earth's oceans contain many dissolved elements like calcium, sodium, and chlorine. These elements plus several others combine to form the salts in the oceans.

What is physical change in chemistry?

Testable question: does the water need to be hot or cold to make a cloud. What data can I use for my science project