What holds calcium chloride together?

A. hydrogen bonding

B. metallic bonding

C. ionic bonding

D. dipole forces

E. van der Waals forces (London dispersion forces)

Te second period at the bottom of the table is called

Reaction A: 4HCl (g) + O2 (g) ⇄ 2Cl2 (g) + 2H2O (g) Reaction B: N2O4 (g) ⇄ 2NO2 (g) Reaction C: H2 (g) + I2 (g) ⇄ 2 HI Reaction D: 2NH3 (g) ⇄ N2 (g) + 3H2 (g) The reactions represented above are carried out in sealed, rigid containers and allow to

The same chemistry student has a weight of 155lbs what is the student weight in grams

The process of filtration was used to separate a sample into its components. What conclusion about the sample can be formed based on the technique used? It was a pure substance. It was a compound. It was a heterogeneous mixture.

1.15 g of a metallic element reacts with 300cm3 of oxygen at 298K and 1 atm pressure, to form an oxide which contains O2 - ions. What could be the identity of the metal? A calcium B magnesium C potassium D sodium

1. If 25 grams of carbon dioxide gas is produced in this reaction, how many grams of sodium hydroxide should be produced? NaHCO3 > NaOH + CO2. If 50 grams of sodium hydroxide are produced, what is the percent yield?

G what is the difference between the sidechains of leucine and isoleucine? select one: a. one is charged, the other is not b. one has more h-bond acceptors than the other c.

How many grams of NaOH are needed to make 500 mL of a 2.5 M NaOH solution

During its life cycle, an amphibian lives both on land and in water.

An atom that contains 22 protons, 23 neutrons, and 22 electrons would have a mass of approximately