How many valence electrons are represented in the following electron configuration? 1s22s22p5

Water is a liquid at room temperature rather than a gas primarily due to it being a very heavy molecule hydrogen bonding between molecules it being nonpolar a low density.

Which common mineral is most resistant to both chemical and mechanical weathering?

Two completely different compounds may contain identical elements. True False

Rob measures the solubility of three different salts in water at 22°C. Which type of graph should he use to display his data? bar graph line graph histogram scatterplot

The change in isotopes over time due to the emission of radioactive particles is known as A. absolute-age dating. B. half-life. C. radiometric dating. D. radioactive decay.

What is the formula of sulfurous acid? H2S HSO4 H2SO4 H2SO3

How many Na + ions are found in 0.5 mol of Na2O?

Glycerin (C3H8O3) is a nonvolatile liquid. What is the vapor pressure of a solution made by adding 170 g of glycerin to 337 mL of H2O at 40.0°C? The vapor pressure of pure water at 40.0°C is 55.32 torr and its density is 0.992 g/cm3.

Which of the following is the best example of an object absorbing light? A black sweater in the sun B clean window in the sun C A curved mirror in the sun D A long shadow in the sun

What is true of all body except sex cells