FSCJ CHM 1025C Chap 5
What is the name of the family of elements in Group IIA/2?
alkaline earth metals
Predict the number of valence electrons in Group IIIA/13 element?
3
Predict the number of valence electrons in Group VIA/14 element?
4
Which energy sublevel is being filled by the element Y to Cd? 4d 5s 5p 5d 5f
4d
Which energy sublevel is being filled by the element Ce to Lu? 5d 6d 4f 5f 6f
4f
Which energy sublevel is being filled by the element Th to Lr? 6d 7d 4f 5f 6f
5f
What terms refer to a vertical column in the periodic table of elements ?
Group or Family
What is the name of the family of elements in Group VIIA/17?
Halogens
What is the electron dot formula for a potassium atom?
K∙
What element? [Ar]4s²3d⁵
Mn (Manganese)
What is the electron configuration for a magnesium ion, F⁻ ?
1s² 2s² 2p⁶
What is the electron configuration for a magnesium ion, Mg²⁺ ?
1s² 2s² 2p⁶ or [Ne]
Predict the number of valence electrons in Group IIA/2 element?
2
What element? [Xe] 6s²
Ba (Barium)
What is the electron dot formula for a carbon atom?
∙ ∙ C ∙ ∙
Which of the following is a halogen? Cl F I All of the above None of the above
All of the above
Which of the following is a noble gas? He Ar Xe All of the above None of the above
All of the above
Which of the following is an alkaline earth metal? Mg Ca Ba All of the above None of the above
All of the above
Which of the following is a halogen? Ar Br H Hg None of the above
Br (Bromine)
What is the electron dot formula for a boron atom?
B∙∙ ∙
Which of the following is an alkaline earth metal? Ca Co Cu Cs None of the above
Ca (Calcium)
Which of the following is an alkali metal? Al Cs Cu Mg None of the Above
Cs (Cesium)
What is the name of the family of elements in Group VIIIA/18?
Noble Gases
Which of the following is a halogen? Ar H N All of the above None of the above
None of the above
Which of the following is an alkaline earth metal? Al Rb Zn All of the above None of the above
None of the above
What element? [Kr] 5s²4d¹⁰5p²
Sn (Tin)
What is the electron dot formula for a strontium atom?
Sr∙∙
What is the electron configuration for a magnesium ion, Co³⁺ ?
[Ar] 3d⁶
What is the core notation for the electron configuration of potassium atom?
[Ar] 4s¹
What is the electron configuration for a magnesium ion, Sr²⁺ ?
[Kr]
What is the core notation for the electron configuration of iodine atom?
[Kr] 5s²4d¹⁰5p⁵
What is the core notation for the electron configuration of an aluminum atom?
[Ne] 3s² 3p¹
What is the name of the family of elements in Group IA/1?
alkali metals
What is the term for the shorthand description of the arrangement of electrons by sublevels according to increasing energy?
electronic configuration
