If atoms are made up smaller parts such as electrons, why are atoms considered the basic unit of matter

What pressure will be exerted by 0.675 moles of a gas at 25*C if it is in a 0.750-L container?

Homogeneous mixtures have components A. That are usually large enough to be seen with the naked eye B. That are not distributed evenly throughout the mixture C.

The relative strengths of covalent bonds and van der Waals interactions remain the same when tested in a vacuum or in water.

A neutron breaks down to form? A. A proton and an electron B. Two protons C. A helium nucleus D. An alpha particle What particle decomposes to produce the electron of beta radiation? A. Electron B. Neutron C. Proton D.

will mark brainlest 1) Now that you have studied the facts about the Severn River, you are ready to make a decision. What questions would you want answered if you were to determine whether to build a tidal power plant at the Severn River?

an acrostic poem with the word energy

What are some chemacial changes in your school?

Which of the following is an example of a double-replacement reaction? A. 3K + AlCl3à 3KCl + Al B. KOH + HBr à KBr + H2O C. CH4 + 2O2à CO2 + 2H2O D. Cu + 2H2SO4à CuSO4 + SO2 + 2H2O

Distinguish between thermal cracking and catalytic cracking

At the end of the reaction you washed the chemicals into a beaker using water. Why was it OK to use water to do this if Grignard reagents are very reactive towards water?