Write the condensed structural formula of all isomers of hexane and name them

Why does the phase of the moon affect tides

Five vials each contain 12 grams of a solid metal sample. The samples include calcium, platinum, barium, gold, and silver. Which vial has the fewest moles of metal atoms? a. Calcium b. Barium c. Gold d. Silver e. Platinum.

Which statements describe the principles of the big bang theory? Check all that apply. The universe is continuing to expand. A massive explosion caused matter and energy to expand and form the universe.

How does the law of conservation of matter apply to chemical equations? O A) The sum of the coefficients on each side of the equation must be the same. ОВ) The sum of the atomic masses on both sides of the equation must be the same.

If I change the number of electrons in an atom, it becomes

Match the factors which affect the rate of dissolving/dissociation/diffusion.

How would the equilibrium of an exothermic reaction at 25°c be affected if the temperature of the system were reduced? (hint: apply le chatelier's principle) ?

Which is the most practical argument for the continued funding of space exploration? a) Space exploration will one day show whether life exists on other planets in star systems similar to ours.

33 protons 36 electrons 45 neutrons

The periodic table includes all of the known elements in the world. how are elements arranged on the periodic table?