
اختبار ميد تجريبي 2
Quiz by Dr.Mariam
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The number of orbitals in a d subshell is ……….
The element Rubidium (Rb) is ………..
Which of the following elements is a non-metal?
The number of valence electrons in Silicon (Si) atom is ……
An atom of
𝟕𝟎31𝐆𝐚 contains ………..
Convert 443 °F into °C.
Calculate the number of atoms in 15.5 g of Silicon (Si)?
Calculate the number of atoms in 0.500 mol of Lithium?
What is the energy of a photon with a frequency of 3.73 x 1013 s ?
Calculatethe energy change associated with the transition from n = 4 to
n = 5 in the hydrogen atom.