What determines an atom's reactivity?

A) How many protons the atom contains.

B) How many energy levels the atom contains.

C) Whether the atom is a metal or a nonmetal.

D) How many valence electrons the atom contains.

At 900∘c titanium tetrachloride vapor reacts with molten magnesium metal to form solid titanium metal and molten magnesium chloride. what is being oxidized, and what is being reduced?

What reason does john proctor give for his reluctance to regularly attend church? What is another likely reason he hasn't been attending?

True or false daltons atomic theory stated that matter is mostly empty space

If you make an electromagnet using a battery circuit and a steel nail, how can you increase its magnetic strength? A. replace the nail with a copper rod B. wrap more coils of wire around the nail C. use a longer nail D.

A 3.2 liter sample of a gas is at 40 oC and 1.0 atmosphere of pressure. If the temperature decreases to 20 oC and the pressure decreases to 0.60 atmospheres, what is the new volume of the gas in liters?

A gay cylinder what are the variables in gay-lussacs law

What is the cosmic address of earth in the cosmos?

What values do we plot on the y-axis of a graph

What is the n factor of Ba (MnO4) 2 in acidic medium when it reacts with H2O2?

What organelle is primarily used in respiration