If a quadrilateral has three angels measuring 60, 45 and 100 find the measure of the fourth angel

Which of the following contains an atom that does not obey the octet rule? BrF3 SiO2 NaCl BrF

The mass of a block is 12 grams and the volume is 6 ml. Calculate the density of the block. A. 072g/ml B. O2 g/ml C. 0 0.5g/ml D. 18 g/ml

Which of these nuclear reaction products has the least mass? alpha particle beta particle barium atom helium atom

You have a balloon with a fixed amount of air in a sealed jar at room temperature. The balloon doesn't fill the entire jar. You place the jar in a pan of boiling water. -describe what happens to the balloon inside the jar.

For an exothermic reaction, what effect will increasing the temperature have on the equilibrium? (A) There will be a shift toward the products. (B) There will be a shift toward the reactants. (C) There will not be a shift in equilibrium.

Why is science important?

5.4x10^3x1.2 x 10^7 in scientific notation

Why dont we use words like prove or does not prove in science

The two separate rows found below the periodic table are so placed because? A. Their chemical properties are so different from all the other elements B. Placing them where they really fit chemically would make the table too wide to use easily C.

Which is a product of the electrolysis of water containing a low concentration of kno3?