Test
Sin título
Preguntas del test (5)
1What is the difference between 14C and 14N atoms?
- AThey have the same number of protons but different numbers of neutrons.
- BThey have the same number of neutrons but different number of protons.
- CThey have the same number of both neutrons and protons but different numbers of electrons.
- D14N has one more proton and one less neutron than 14C.
- E14N has one more neutron and one less proton than 14C.
2What is the symbol for the atom or the ion that has 34 neutrons, 29 protons, and 27 electrons?
- A34Se2-
- B29Cu2+
- C63Se2-
- D63Cu2+
- E27Co2+
3What is the correct and accurate solution to the given equation?
154.36 x 0.01059=- A1.634
- B1.6
- C1.6336
- D1.6336134
- E1.63
4Which set of quantum numbers could be used to represent a 2p orbital?
- A(2,1,3,+1/2)
- B(2,0,0,-1/2)
- C(3,1,0,-1/2)
- D(2,1,-1,-1/2)
- E(3,2,-2,+1/2)
5Why is the first electron affinity of Cl larger than I ?
- AIodine has more protons than chlorine.
- BIodine has more electrons than chlorine.
- CChlorine has a higher effective nuclear charge than iodine.
- DIodine has a higher effective nuclear charge than iodine.
Información
- Descripción
- Test sobre Sin título, creado por Lillyanne King el 13/12/2017.
- Autor
- Lillyanne King
- Idioma
- English
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- 0
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