Why mercury can remain for one or two years in the atmosphere without reacting?

Convergent boundaries are zones on what plates

Give the number of significant figure in this number 2.115

Which of the following best describes a possible carbon compound?

During which process would the ratio of uranium 238 to lead 206 be used?

How would technology affect the population growth rate? A. It would create a steady population increase with high birthrates and death rates. B. It would lead to rapid population increase with high birthrates and lower death rates. C.

A series circuit has two 5.0-ohm resistors and a power source of 9.0 volts. How will the current be affected and what will it be if another resistor (with a resistance of 7.5 ohms) is added to the circuit? A. increase; 0.51 amps B. increase; 0.

Which type of reaction will occur when equal volumes of 0.1 M HCl and 0.1 M NaOH are mixed 1. Neutralization 2. Ionization 3. Electrolysis 4. Hydrolysis

What is molarity of heavy water?

Do all liquids freeze at the same rate

Convert 1.67 x10^24 atoms of carbon to moles of carbon