11. What's the atomic number of lodine?

Gold has a specific heat of 0.129 J/g*°C. What would the final temperature of 10.4 g of gold if 190 J of energy is added? The initial temperature of the gold was 32.5 °C 1330 Answer:

sample of carbon monoxide gas occupies 3.20 L at 125 °C. At what temperature will the gas occupy a volume of 1.54 L if the pressure remains constant?

How do you know if something is a property or not?

What is the most important characteristic in determining an element's properties?

Suppose you pour 20 ml of silver nitrate into a beaker with 80 ml of water (h20) in it. you also pour 20 ml of silver nitrate into a separate beaker, but this one contains 80 ml of salt water (nacl).

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

Lithium, beryllium, and boron are elements with atomic number 3, 4, and 5, respectively. Even though they are three of the five simplest elements, why are they rare compared to many heavier elements?