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The charge on the atom containing 17 protons, 18 neutrons and 18 electrons is:
(1) +1
(2) -2
(3) -1
(4)Zero
Ans: -1
The present atomic weight scale is based on: (1) C 12 (2) O 16 (3) H 1 (4)C 13 Ans: C 12
Q. What are the characteristics of bases? Ans. Common bases are borax, baking soda, and antacids. These are some characteristics of bases: They taste bitter
calculate the enthalpy of combustion for acetic acid using standard enthalpies of formation.
what are the tree laws of chemical reaction
Calculating equilibrium constant
what is point function
Need help figuring out the proper steps on how to solve: What volume of 1.25M HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.200M Na2CO3? Usi
Tests of benzaldehyde - aldehydes and ketones (a) It forms a white precipitate with solution. (b) It creates a yellow precipitate with 2: 4 dinitrophenyl hydrazines. (
its preparation
electron partic;e moving as awave
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