Which element is a solid at STP and a good conductor of electricity?

(1) iodine (3) nickel

(2) mercury (4) sulfur

Write electron configurations for the most stable ion formed by each of the elements Br, Cs, Sr, and O (when in stable ionic compounds).

How many atoms of aluminum AL are in 2.75 mol of aluminum

A mixture In which the particles are to small to b seen with the naked eye is?

What is acid? 2. define an atom?

When two atoms are held together because their valence electrons orbit around both of them (are shared), they are united by?

Suppose a 500. mL fiask is filled with 1.8 mol of Cl 2, 0.60 mol of HCl and 0.40 mol of CCl4. The following reaction becomes possible: ci2 (g) + CHCİ 3 (g) - HCI (g) + CC, (g) The equilibrium constant K for this reaction is 5.

What combination of factors can change dry ice into a liquid

Rob is conducting an experiment in which he measures a person's body temperature in response to changes in air temperature. What is the independent variable that is manipulated in the experiment?

How many joules of energy are needed to warm 5.00 g of silver from 25.0°C to 27.5°C? (The specific heat of silver is 0.24 J/g°C.)

In the reaction of magnesium with oxygen gas, a considerable amount of energy was released. This is an example of an exothermic reaction.