Who is known as the "father of modern chemistry" because he first organized all known elements into four different groups? Johann Wolfgang Döbereiner Antoine Lavoisier Dmitri Mendeleev Henry Moseley

Which of the following substances will have hydrogen bonds between molecules? A. (CH3) 3N B. CH3-O-CH3 C. CH3CH2-OH D. CH3CH2-F E. HI

Wat are the five assumption of kinetic therory of gases

What do elements in the s block have in common

Which sample is most likely an unsaturated fat?

You might have a flashlight that runs (2) d-cells of 1.5 volts each in series. the bulb is rated for 0.7 amps. what's its resistance?

The currents of the Earth's oceans are caused by A. marine organisms and volcanic eruptions. B. disturbances by submarines and large ships. C. waves and earthquakes along tectonic plate boundaries. D.

You are on an alien planet where the names for substances and the units of measures are very unfamiliar. Nonetheless, you obtain 19 quibs of substance called skvarnick.

How do you know if an element is an ion?

Which gas is not a greenhouse gas, A methane, B Water Vapor, C, Carbon dioxide, D, Nitrogen, E, Ozone

A very small equilibrium constant means ... a. an equal amount of reactants and products c. more products b. more reactants d. system isn't at equilibrium