Which element is a metalloid?

a. argon (ar)

b. silicon (si)

c. potassium (k)

d. magnesium (mg) ?

The following reaction is at equilibrium. What would be the effect of adding an excess of N2 and O2? N2 + O2 ↔ 2NO Question 16 options: The equilibrium will shift to the right. The equilibrium will shift to the left. Less product will be produced.

Define superheated vapor

Which best describes the definition of lewis acids and bases?

Calculate the dipole moment for hf (bond length 0.917 å), assuming that the bond is completely ionic.

What is the group of elements that has a completely filled outer level of electrons is known as?

True or false everything has the same amount of energy?

4NH3 (g) + 502 (g) - >6H20g) + 4NOg) What is the enthalpy change for this reaction?

What diseases have increased public awareness of infection control over the past few years?

What type of reaction is sodium reacting with chlorine

1. If temperature is increased, the number of collisions per second