What patterns are noted in electron structures found in the elements of a family
ID: 511304 • Letter: W
Question
What patterns are noted in electron structures found in the elements of a family in the periodic table? They all have the same
atomic numbers.
atomic mass numbers.
outer orbital electron configurations.
15. sing any reference you wish, write the complete electron configurations for
(a) boron,
1s
4s
16. Explain how you know that the electron configurations
(a) boron = 1s22s22p1
(b) aluminum = 1s22s22p63s23p1
(c) potassium = 1s22s22p63s23p64s1
have the correct total number of electrons.
(a) Boron is atomic number and there are electrons.
(b) Aluminum is atomic number and there are electrons.
(c) Potassium is atomic number and there are electrons.
17. Refer to the figure below only and write the complete electron configurations for
(a) argon,
(b) zinc,
(c) bromine.
18. dentify the period and family in the periodic table for the following elements:
(select)IIIAIIIBVIIIBVAVIIIA
(select)IIAVBVAVIIAIA
(select)IVAIBIIBVAVIB
(select)VAVIIIBVIIIAIIIBIIIA
(select)VIIAIVAVIIIBIIAVA
(select)IAIVAVIIAVIIIBVA
19.
How many outer-orbital electrons are found in an atom of:
20. Match the following electron-dot diagrams with the proper atomic symbol.
(select)OCaKBrB
(select)BrKOCaB
(select)OCaKBrB
atomic numbers.
atomic mass numbers.
outer orbital electron configurations.
15. sing any reference you wish, write the complete electron configurations for
(a) boron,
1s
(b) aluminum,
1s 2s 2p
3s 3p
and (c) potassium.
1s 2s 2p
3s 3p
4s
16. Explain how you know that the electron configurations
(a) boron = 1s22s22p1
(b) aluminum = 1s22s22p63s23p1
(c) potassium = 1s22s22p63s23p64s1
have the correct total number of electrons.
(a) Boron is atomic number and there are electrons.
(b) Aluminum is atomic number and there are electrons.
(c) Potassium is atomic number and there are electrons.
17. Refer to the figure below only and write the complete electron configurations for
(a) argon,
(b) zinc,
and(c) bromine.
(a) 1s 2s 2p 3s 3p
(b) 1s 2s 2p 3s 3p 4s 3d
(c) 1s 2s 2p 3s 3p 4s 3d 4p
18. dentify the period and family in the periodic table for the following elements:
Period Family (a) Radon(select)IIIAIIIBVIIIBVAVIIIA
(b) Sodium(select)IIAVBVAVIIAIA
(c) Copper(select)IVAIBIIBVAVIB
(d) Neon(select)VAVIIIBVIIIAIIIBIIIA
(e) Iodine(select)VIIAIVAVIIIBIIAVA
(f) Lead(select)IAIVAVIIAVIIIBVA
18 ,' 4s / 4p / 4d / 4f /s, 5s / 5p/ 5d / 5f ,-6s/ ep / 6d / . 6f d, d, d ,-dExplanation / Answer
Elements of a family have the same outer orbital electronic configuration.
Electronic configuration of Argon is: 1s2 2s2 2p6 3s2 3p6
Electronic configuration of Zinc is: 1s2 2s2 2p6 3s2 3p6 3d10 4s2
Electronic configuration of Bromine is: 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p5
Period of Radon = 6
Period of Sodium = 3
Period of Copper = 4
Period of Neon = 2
Period of Iodine = 5
Period of Lead = 6
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