Chlorophyll pigments are separated using paper. what is the stationary phase in this experiment

Which volcanoes are in the middle of a continent

What is the molar mass of 2-propanol (C3H8O) ?

A scientist observes several metals and records the following data. Which of the data sets represents qualitative data? (select all that apply) The mass of the metals The volume of the metals The softness of the metals The color of the metals

For the n = 3 electron shell, which of the following quantum numbers are valid? Check all that apply. l = 3 m = 3 l = 0 m = - 2 l = - 1 m = 2

Merrill is working in the lab, attempting to identify a mysterious element. Below are the properties she has identified: • dull gray color • does not react to magnets • crumbles when pulled or flattened • reacts slowly to other elements Based on

What type of reaction is sodium reacting with chlorine

1. If temperature is increased, the number of collisions per second

1. Tonic Bonds are a. Formed when a metal and nonmetal transfer electrons b. Formed when a nonmetal and nonmetal share electrons Formed when a metal forms || bonds with other like atoms d. Formed when noble gases lose electrons

Why does the sun appear to be the brightest star in the sky? A - Its apparent brightness is much greater than other stars. B - It burns more gas, making it brighter than any other star.

What effect does nuclear radiation have on atoms? It splits atoms. It burns atoms. It ionizes atoms.