What trend in atomic radius do you see as you go down a group on the periodic table

How do the orbits of a comet and earth compare?

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 14.3 gal tank (1US gal=3.78L) ? Express your answer to three significant figures and include the appropriate units.

Earth is the only source of gravity in the solar system. Do you agree? Give your reasons.

Define pseudoscience?

What type of chemical bond forms during a dehydration synthesis reaction?

Write a short explanation about the "cheater" way to find the # of valence electrons an element has, and explain what valence electrons have to do with elements bonding?

What type of energy is associated with random motion of the particles in a sample of gas

Consider the compound Al (NO3) 3 and answer the following questions: What is the name of this compound? What is the molar mass of this compound? Explain how you calculated this value.

Which oxide is Mn2O3?

The ease with which a raw material can be molded, flattened, or bent is known as its? a. malleability, b. ductility, c. elasticity. d. resilience