Which of the following elements are in Group 7A (17) of the periodic table?, Argon and helium, Boron and aluminium, Magnesium and calcium, Bromine and iodine, Which element has the atomic number 1?, Helium, Hydrogen, Boron, Carbon, The chemical symbol “Cu” represents which element in the periodic table?, Cesium, Copper, Calcium, Cobalt, Elements in Group 1A (1) of the periodic table are known as:, Halogens, Noble gases, Alkali metals, Alkali earth metals, What is the name of the elements in Group 7A (17) of the periodic table?, Alkali earth metals, Halogens, Noble gases, Alkali metals, Which element has the chemical symbol “Ag” and is commonly used in the production of silverware?, Gold, Silver, Arsenic, Argon, What is the atomic number of nitrogen?, 7, 8, 9, 10, Which of the following elements are the members of noble gases?, Oxygen and sulphur, Phosphorus and nitrogen, Sodium and potassium, Neon and xenon, Which element has the atomic number 11 and is a member of the alkali metals group?, Na, K, Ca, Be, Cobalt and vanadium are known as:, Alkali metals, Alkali earth metals, Transition elements, Halogens

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