Why is the Statue of Liberty covered with a greenish bluish cover when it should be in brown color as it is made out of copper?

Relate the statement:"you cant get something for nothing" to the law of the conservation of mass

How does a car get elcetricity

The hydronium ion concentration of a dilute solution of vinegar is 1.45 x 10-5. what is the ph of this solution

What can you do in your daily life to conserve energy?

Which season will the northern hemisphere experience if the axis of Earth is tilted away from the sun? Select one: a. Fall b. Spring c. Summer d. Winter

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