Which elements are malleable and good conductors of electricity?

a) iodine and silver

b) iodine and xenon

c) tin and silver

d) tin and xenon

How do u separate salt from rock salt?

A 1.26-g sample of an alkaline earth metal chloride is treated with excess silver nitrate. All of the chloride is recovered as 3.26 g of silver chloride. Identify the metal.

As a chemical reaction occurs, the thermometer in the container records a decrease in temperature. What is true of the reaction?

Compare and contrast the terms homologous and analogous.

PH is a logarithmic scale used to indicate the hydrogen ion concentration, [H+], of a solution: pH=-log[H+] Due to the autoionization of water, in any aqueous solution, the hydrogen ion concentration and the hydroxide ion concentration, [OH-], are

Change of state may occur when?

During the combustion of 2.00 g of coal, the temperature of 500 g of water inside the calorimeter increased from 25.0°c to 43.7°c. the specific heat of water is 4.18 j/g·°c. how much heat did the reaction generate?

Catalysts are substances that increase the rate of reaction but can be recovered unchanged at the end of the reaction. Catalysts can be classified as either homogeneous (same state as reactants) or heterogeneous (different state than reactants).

How many molecules are there in 79g of Fe2O3?

Which of the following elements is an alkall metal?