In order for a chemical reaction to occur there must always be

Sodium (Na) and chlorine (Cl) combine together to form table salt (sodium chloride). Looking at the periodic table, which element would you predict could sodium combine within a way most similarly to chlorine? A. iodine (I) B. argon (Ar) C.

What is a mutual attraction between the nuclei and electrons in 2 different atoms called

If the frequency of a radio station is 88.1 MHz (8.81 * 107 Hz), what is the wavelength of the wave used by this radio station for its broadcast? The answer should have three significant figures.

At 3 atm pressure the volume of gas is 1200ml. What pressure is required to reduce the volume of the gas to 300ml if the temperature remains constant

what will most likely be observed when sulfur powder and iron powder are mixed together and then add water

Do all liquids freeze at the same rate

Convert 1.67 x10^24 atoms of carbon to moles of carbon

The knowledge of chemistry not important in one of the following? A, in agriculture B, in Geology C, in medicine D, none

Which is the balanced equation for: Al2O3 + Fe - Fe3O4 + AL

Why are lab apparatus made of ceramics