CHEMICAL REACTIONS OF THE ELEMENTS OF GROUP VII OF PERIODIC TABLE ASSIGNMENT

1.
Reactivity of the elements in group 7 decreases down the group. This is because…
There are more electrons in the outer shell
The electrons in the outer shell are further away from the nucleus
The electrons are closer to the nucleus
There are more electrons in the atom
2.
Choose the correct order from top to bottom of group 7.
F, Br, I, At, Cl
At, I, Br, Cl, F
F, Cl, Br, I, At
Br, Cl, I, At, F
3.
How many electrons are in the outer shell of the group 7 elements?
7
8
1
2
4.
Iodine is…
a pale yellow gas
a dense green gas
a dark grey crystalline solid
a dark orange-brown solid
5.
What type of bonds do group 7 elements form?
Ionic and covalent
Covalent only
Metallic and covalent
Hydrogen and metallic
6.
Group 7 elements are also known as…
Alkali metals
Halogens
Transition elements
Noble gases
7.
Halogens exist as molecules made up of pairs of atoms, joined together by covalent bonds. These molecules are known as…
Joined
Biatomic
Double
Diatomic
8.
Group 7 elements only form what type of ion?
1+
7-
1-
2-
9.
Halogens all react with metals. How many electrons do they gain when they undergo this type of reaction?
2
3
7
1
10.
Bromine displaces iodine from solution because…
Iodine is more reactive than bromine
Bromine is more reactive than iodine
Bromine is a smaller atom
Iodine has more electrons than bromine
Mugisa Geofrey and SOLOMON TATWEBWA

Mugisa Geofrey Zziwa is a learning facilitator with Ultimate MultiMedia Consult. With knowledge of the following topics:  Digital Pedagogy training or digital teaching skills, how to integrate ICT in teaching.  Journalism and the Internet/Computers (How internet helps journalism)  Basic web design & CMS and Multimedia Content publishing  Digital security and safety basics for journalists  Best practices for ensuring safety online  Data Mashups  Collaborative digital content development tools  Live streaming and Live reporting  Immersive Storytelling tools and practices  Among others I have conducted a number of trainings which include: • Multimedia Journalism and Digital Safety training for university Students held in Makerere University, Kampala International University and Cavendish University and sponsored by the American Embassy Uganda. • Digital Pedagogy training for Science Technology Engineering and Mathematics (STEM) Teachers held in Iganga Girls SSS in Iganga District for Eastern region Uganda, St. Maria Gorretti in MPigi District for Central region Uganda, and Teso College ALOET for the Karamoja region Uganda. Sponsored by Forum for African Women Educationalists Uganda (FAWEU) Training Teachers on integration of ICT in teaching and delivering lessons to students. • Digital Pedagogy at American Center for Teachers by Teachers In Need (TIN) Uganda. • Facilitator on Digital Pedagogy with ICT Teachers Association Uganda (ITAU) at American Center, Kyebambe Girls SSS in FortPortal for western region Uganda, Dr. Obote College Boro Boro Lira for Nothern Region Uganda.

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