The energy levels in an atom, For the energy levels in an atom, which one o...

For the energy levels in an atom, which one of the following statements is correct: (1) There are seven principal electron energy levels (2) The second principal energy leve

Redox balance equation, Sn + No3- ------- Sno2 + No2

Sn + No3- ------- Sno2 + No2

Define conjugate acid-base pair and buffer, Q. Define Conjugate acid-base p...

Q. Define Conjugate acid-base pair and buffer? Buffers are substances that resist changes in pH. To "balance pH" means to buffer. Weak acids and bases make good buffers.

REDOX REACTION HALF-REACTION, WRITE HALF-REACTION FOR THE REDOX Fe2+ + MnO...

WRITE HALF-REACTION FOR THE REDOX Fe2+ + MnO4- =Fe3+ + Mn2+

Which one pair of atoms or ions will have same configuration, Which one pai...

Which one pair of atoms or ions will have same configuration: (1) F + ans Ne      (2)  Li + He -       (3) C l - and Ar            (4) Na and K Ans: Cl - an

Halides and halide complexes, Halides and halide complexes Almost all e...

Halides and halide complexes Almost all elements create thermodynamically stable halides. The general stability sequence is F>Cl>Br>I, that in covalent compounds follows the su

Metallic bonding,

Illustrate si system, Q. Describe SI System and Standards Ans: Wh...

Q. Describe SI System and Standards Ans: What units you will you use science class? Long ago people decided that the "foot" must be standardized so that when I measure

P-block element, eletronegativity

eletronegativity

Inorgenic chemistry, name and chemical formula of blue vitriol

name and chemical formula of blue vitriol