Identify each of the following as a representative element or a transition element:

A) Lithium

B) Platinum

C) Promethium

D) Carbon

A pH change can be evidence that

Calcium oxychloride is a: A) Double salt B) acid salt C) mixed salt D) basic salt

According to Boyle's law, for a fixed quantity of gas at a given temperature, what quantity relating pressure and volume is constant? A) PV B) P*V C) P+V D) VP

Imagine that a new polyatomic anion called "platoate" is invented.

A solution was prepared by mixing 0.5000 m hno2 with 0.380 m no2-. ka = 4.58 x 10-4. calculate the ph of the solution. show work.

At which electrode does oxidation occur in a voltaic cell and in an electrolytic cell? (1) the anode in a voltaic cell and the cathode in an electrolytic cell (2) the cathode in a voltaic cell and the anode in an electrolytic cell (3) the anode in

Identify: explain why the moon can be seen from the earth

If the molarmass of oxygen is 16 g/mol how many moles does that represent

During combustion, methane yields carbon dioxide and water. The unbalanced equation for this reaction is:CH4 (g) + O2 (g) → CO2 (g) + H2O (l) What will the mole ratios for the balanced equation be?

The rare earth elements include A. the lanthanide series and the alkali metals. B. the alkali metals and the transition metals. C. the actinide series and the alkaline earth metals. D. the lanthanide series and the actinide series