What is the formula for potassium fluoride?

Which is the net result of the proton-proton chain? 6 protons = 2 heliums + 3 positrons + 3 neutrinos + gamma rays 4 protons = 1 helium 4 + a positron + a neutrino + gamma rays 2 protons = deuterium + a positron + an antineutrino + X-rays 4 protons =

Convert 135 Meters to kilometers

An atom has the following electron configuration. 1s^2 2s^2 2p^6 3s^2 3p^4 How any valence electrons does this atom have?

Is cocl and hcl reaction exothermic or endothermic?

In Part 1, draw a mechanism for the reaction of butan-2-ol with sodium amide. In the box to the left, draw any necessary curved arrows. Show the products of the reaction in the box to the right.

Which terms identify types of chemical reactions? (1) decomposition and : sublimation (2) decomposition and synthesis (3) deposition and sublimation (4) deposition and synthesis

What element behaves MOST like magnesium (Mg) ? A) S B) Si C) Sn D) Sr

It was determined through analysis that a compound, sodium carbonate with a molar mass of 263 g/mol contained 68.4% water. determine the toilet number of water molecules in this hydrate

Which 1.0 M solution has the lowest pH?

If the heat of fusion of water is 3.4 * 102 j/g, the amount of heat energy required to change 15.0 grams of ice at 0°c to 15.0 grams of water at 0°c is