J.J THOMSON
Who discovered electrons?
2
What is the maximum number of electrons in s orbital?
Neon, Argon, Krypton.
Three noble gases, for example.
Mg(g)→Mg+(g)+e-
The first ionization equation of Magnesium
35Cl and 37Cl
What are the isotopes of chlorine?
dumbbell
What is the shape of p orbital ?
[Ar]4s1
What is the electron configuration of potassium?
ns2
Half the distance between the adjacent nuclei.
What is the definition of (metal) radius?
Gamma radiation
Which kind of Radiation has higher penetrating energy?
Emit energy
Move from excited state to ground state, how energy changes?
[Ar]4s13d10
What is the electron configuration of Copper?
Bromine, Mercury.
Sodium
Empty Space
λ=h/mv
What is de Broglie equation?
no two electrons can have same four quantum number.
What does the Pauli exclusion principle state?
18, 7
The relative ability of atoms to attract electrons in a chemical bond.
What is the definition of electronegativity?
Helium-4 nucleus
What is an alpha particle?
A
What is the symbol of amplitude?
4, 0, 0, 1/2. or 4, 0, 0, -1/2.
What is the valence electron configuration of Calcium?
Valence electrons
What determine the chemical properties of an element?
Sharing of electrons
What is covalent bond?