Sodium can achieve greater stability in its valence shell by

Atoms have a blank shape. the blank of an atom is made up of

The chemical equation represents the formation of water. 2 H2 + O2 → 2 H2O What is the total number of grams of O2 needed to produce 54 grams of water? A 36 B 48 C 61 D 75

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

Which of the following is NOT a pure substance? A. milk B. oxygen C. water D. carbon dioxide

The chromosomes line up across the middle of the cell

What are some facts about the element Rutherfordium

Luis set a glass of ice water out side is the sunshine. when he looked at the glass 10 minutes later, the contents had changed. what kind of change happened to the ice water? A. evaperation B. conduction C. chemical change d. sudden change

A substance is considered to have a smaller surface area when ... A. it is a fine powder B. it is in large chunks C. you have a small amount of the substance D. you have a large amount of E. the substance

Which is the noble gas notation for chlorine? A-[Ne] 4s2 4p5 B-[Ne] 3s2 3p5 C-[Ne] 3s2 3p3 D-[Ne] 3p2 3p5

Is argon long hand or noble gas