Density is a measure of

mass divided by volume

weight divided by area

volume divided by weight

mass divided by area

The subatomic particle that has the least mass is the

How many atoms lie in a straight line in the molecule 2-butyne, CH₃C≡CCH₃? a. 10 b. 8 c. 6 d. 4 e. 2

The mass number of an isotope of uranium is 238, and its atomic number is 92. Which symbol best represents this isotope of uranium?

If a woman is pushing a cart 125 N forward and gravity is pushing 50 N backwards on the cart and a child is pushing 25 N backwards on the cart what is the net force?

How can you increase the energy of a glass of water? A. Mix the water B. Boil the water C. Freeze the water D. Drink the water

What kind of wavelength do television signals have? a. Short c. Long b. Intermediate d. Very rapid

What gene is responsible for tumor suppression? A. beta - galactoside B. p53 C. alpha goblin D. beta goblin

How does ur body maintain constant tempature on a hot day?

1. What is the probability of rolling a five on one die three times in a row? 2. The allele for a cleft chin, C, is dominate among humans. Using a punnet square, what are the results of a cross between parents with genotypes Cc and cc

A chemical is placed in a beaker containing 20 g of soil and 500 mL of water. At equilibrium, the chemical is found in the soil ast a concentration of 100 mg. kg-1 of soil.