An isotope of oxygen has an atomic number of 8 and an atomic weight of 18. how many neutrons does it have

Which element is probably most like carbon

The lava from a volcano can travel up to 100 km/hr if a village is located 3.6 mi from the volcano how many minutes will it take the lava to reach the village

If the internal energy of a thermodynamic system is increased by 300J while 75J of expansion work is done? how much heat was transferred and in which direction to or from the system?

How do the alkali metals differ from the alkaline earth metals?

The primary beneficial purpose of gene slicing is to treat specific diseases

How many protons are in an element

Which of the following is an example of oxidation? A. Charcoal is placed on a grill and lighting fluid poured over it. B. A car gets rusty over the course of a few years. C.

The metric unit of force is the A. gram. B. kilogram. C. nanometer. D. newton.

Why can endothermic reactions be spontaneous? g?

What requirements must a molecule meet in order to be considered nonpolar?