Unit 2. Module 1: Electronic Structure of Matter 9PRE-TEST)
Quiz by Ernie Bilgera
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- Q1
On the basis of Rutherford’s model of an atom, which subatomic particle is present in the nucleus of an atom?
proton and neutron
proton only
neutron and electron
proton and electron
30sS9MT-IIa-21 - Q2
If the first and second energy levels of an atom are full, then what would be the total number of electrons in the atom?
18
8
10
6
30sS9MT-IIa-21 - Q3
Which atomic model is proposed by Schrodinger?
nuclear model
quantum mechanical model
planetary model
raisin bread model
30sS9MT-IIa-21 - Q4
Which electron transition results in the emission of energy?
1s to 2s
2s to 2p
3p to 3s
3p to 4p
30sS9MT-IIa-21 - Q5
The symbol “n” in the Bohr theory of atomic structure refers to_____.
the number of electron in an energy level
the energy of electron
the total energy of the atom
the orbit in which an electron is found.
30sS9MT-IIa-21 - Q6
Which of the following sublevels is correctly designated?
1p5
2p6
3d11
3f9
30sS9MT-IIa-21 - Q7
How many orbitals are in the third principal energy level?
6
9
3
12
30sS9MT-IIa-21 - Q8
Which configuration is possible in an excited state of electron?
2He : 1s2
1H: 1d1
11Na: 1s2 2s2 2p6 3d1
10Ne: 1s2 2s2 2p5 3s1
30sS9MT-IIa-21 - Q9
What are the orbitals present in the fifth principal energy level?
s orbital
s, p, d, and f orbitals
s, p, d orbitals
s, p orbitals
30sS9MT-IIa-21 - Q10
For a neutral atom with the electron configuration of 1s2 2s2 2p5 3s1 , which statement is false?
The atom is in the excited state
The atomic number is ten.
The 1s and 2s orbitals are filled
The atom is in the ground state.
30sS9MT-IIa-21