Pure silicon is a poor conductor at room temperature because it has 4 valence electrons
<u>The addtion of energy</u> <span>is usually needed to help a decomposition reaction occur</span>
<span>Mol is the unit of amount of substance. It is equal to 6.02 x 10^23 molecules. Now, One mol of Sodium chloride (NaCl) contains 6.022x 10^23 molecules of NaCl. Also, the number atoms of both Na (sodium) and Cl (chlorine) will be equal. Similatly, One mol of Aluminium Chloride (AlCl3) contains 6.022x 10^23 molecules of (AlCl3) but the ratio of Al and Cl atoms will be 1:3</span>
Energy- The ability to do work or cause a change.
Gravity- A force that pulls objects toward each other.
Light- A kind of energy that you can see.
Sun- The star that is near Earth.
Temperature- A measure of how hot and cold something is.
Transform- To change.
That would be the compound Ba(NO3)2. The Barium ion has a charge of 2+ so there are 2 NO3- ions in the formula to produce a neutral compound.
