The standard temperature and pressure of gases are OK and 1 atm, respectively. (T/F)

Why does an incomplete combustion reaction occur?

Read the list of substances. Spoon, Styrofoam cup, Scissors, Pencil Which substances are likely to float in water?

for these two atoms to form a stable molecule n2 how many electrons would have to be part of covalent bonds

Build atoms just as you did before. As you add protons and electrons to the atom, notice that the electrical charge changes. If the atom is charged, it's called an ion. Determine how to make positive and negative ions.

A solution a) has a heterogeneous composition and is able to be separated by physical means b) has a uniform composition and is only able to be separated by chemical means c) has a uniform composition and is able to be separated by physical means d)

Gas X has a mass of 28.02 amu and gas Y has a mass of 32 amu. Which gas will diffuse faster?

How can you tell the element based on electron configuration?

Why do samples of platinum and copper have the same extensive properties?

The major difference between a 1s orbital and a 2s orbital is that The 2s orbital has a slightly different shape. The 2s orbital is at a higher energy level. The 2s orbital can hold more electrons. The 1s orbital can have only one electron.

Which of the following is a method of purifying water? A. Adding iodine B. Aeration C. Freezing D. Fixation