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