What type of reaction is

P4 + 3O2 → 2 P2O3

single-replacement

double replacement

synthesis

decomposition

Explain why the noble gases are typically nonreactive

Identify the element with the electron configuration of 1s2 2s2 2p6 3s2 3p3

Ionization changes identity of substance?

Why do transitioning electrons release or absorb energy?

What is an example of potential energy and kentic energy?

Element X has an electron configuration that ends with 5p6. Which of the following describes this atom correctly? a. unstable metal b. noble gas c. alkali metal d. unstable nonmetal

If 12.1 kilograms of al2o3 (s), 60.4 kilograms of naoh (l), and 60.4 kilograms of hf (g) react completely, how many kilograms of cryolite will be produced?

A certain ionic compound X has a solubility in water of 40.3 g/L at 20. degrees C. Calculate the mass X of required to prepare 500. mL of a saturated solution of X in water at this temperature.

IM ON A TIMER! What are the main types of star clusters? Check all that apply. binary eclipsing globular open wobbling

B) You have 665.46 grams of calcium chloride and 939.96 grams of aluminum carbonate available. Calculate the theoretical grams of Calcium carbonate using stoichiometric calculation.