Fe atomic number = 26 atom has the electronic arrangement, Fe(atomic number...

Fe(atomic number = 26) atom has the electronic arrangement: (1) 2, 8,  8, 8         (2) 2, 8, 16        (3) 2, 8,14, 2             (4) 2, 8, 12, 4 Ans:  2, 8,14, 2

The nucleus of an element contains 9 protons. its valency, The nucleus of a...

The nucleus of an element contains 9 protons. Its valency would be : (1) 1        (2) 3        (3) 2        (4) 5 Ans: 1

MOLALITY, Ask question the density of 2 molal aqueous solution of NaOH is 1...

Ask question the density of 2 molal aqueous solution of NaOH is 1.1.gram/litre. Calculate the molality of solution?

Ionic bond,

The Effect of Temperature and the Collision Model, A reaction has a rate co...

A reaction has a rate constant of 1.22x10^-4 /s at 28 C and 0.230 /s at 75.0 C. 1. Determine the activation barrier for the reaction in kj/mol. 2. What is the value of the rate co

A3p orbital has, A3p  orbital has: (1) Two spherical nodes (2) Two ...

A3p  orbital has: (1) Two spherical nodes (2) Two non-spherical nodes (3) One spherical and one non-spherical nodes   (4)One spherical and two non-spherical nodes A

Nucleus - nomenclature of simple aromatic compounds, Nucleus - Nomenclature...

Nucleus - Nomenclature of simple aromatic compounds The benzene ring denoted by regular hexagon of six carbon atoms along with three double bonds in the alternate positions is

Physical and derived quantities, 1. Discuss how such discoveries, technolog...

1. Discuss how such discoveries, technological advancement and breakthroughs were achieved and the person behind this advancement, it can be local or international. 2. List the ma

Electron pair bonds-lewis and valence structures, A single covalent bond is...

A single covalent bond is build when two atoms share a pair of electrons. Triple and double bonds can be formed when two or three such pairs are shared. A Lewis structure is a repr

Methyl Lithium , Methyl Lithium properties and uses

Methyl Lithium properties and uses