atom
atom
atom ____(a.)
atom ____(a.)
The size of atom is ( ).
The size of atom is ( ).
The density scale of atom is ( )
The density scale of atom is ( )
The energy scale of atom is ( ).
The energy scale of atom is ( ).
atom(写出形容词)
atom(写出形容词)
In a Stern-Gerlach experiment, the beams of an atom with 6S5/2 will split into_________________ parts; the beams of an atom with6G3/2 will split into_________________parts.
In a Stern-Gerlach experiment, the beams of an atom with 6S5/2 will split into_________________ parts; the beams of an atom with6G3/2 will split into_________________parts.
Which of the following is not a valid conclusion from Rutherford’s alpha particle scattering experiment? ( ) A: The nucleus must be positively charged B: The nucleus must be very small compared to the atom C: The atom is mainly empty space D: The mass of the atom is mostly concentrated in the nucleus
Which of the following is not a valid conclusion from Rutherford’s alpha particle scattering experiment? ( ) A: The nucleus must be positively charged B: The nucleus must be very small compared to the atom C: The atom is mainly empty space D: The mass of the atom is mostly concentrated in the nucleus
古希腊文"atom"的含义是什么
古希腊文"atom"的含义是什么
古希腊认为atom的意思是（）。
古希腊认为atom的意思是（）。