Which elements make up a family

Which of the following quantities contains the greatest number of particles? 2 moles of carbon atoms 2 moles of carbon dioxide molecules 2 moles of diatomic oxygen molecules All of these quantities contain the same number of particles.

When compounds form, what is one result for the atoms that bonded? A.) an unstable arrangement of electrons? B.) more than eight electrons in their valence shell? C.) a stable arrangement of electrons? D.

What type of matter is toluene

If the distance covered by a jogger is 2,541meters through the park and the time it took to cover that distance was 43.6 minutes, what was the speed of the jogger in meters per second?

The brain is composed of many cells and different tissue at what level of organizationcis the brain?

Calculate the formula mass for each compound. a. NO2 b. C4H10 c. C6H12O6 60. Calculate the formula mass for each compound. a. MgBr2 b. HNO2 c. CBr4 d. Cr (NO3) 3

How many electrons will calcium gain or lose when it forms an ion?

Which statement describes thermal energy? the energy that is associated with electric fields the energy that is stored in chemical bonds the energy that is associated with the pull of gravity the energy that is associated with temperature

Give the formula %error = theoretical value - experimental value / theoretical value * 100 calculate the percent error for the experiment.

A baker touches a pie right after taking it out that of me which statement best explains why the pie feels hot