Fill in the blanks with the correct word from the brackets:
The bond between two elements in group 17[VIIA] of the periodic table is likely to be ______ [ionic / covalent]

Fill in the blanks with the correct words from the brackets : Alkene have ........... (double/single) bonds .

What is the atomic number of an element of period 2 and group 17 of the periodic table?

Fill in the blanks with the correct words from the brackets : Alkene active (i) ......... (analogous/homologus). Series of

Fill in the blanks with the correct words from the brackets : Alkene active ............ (addition/substituation) reactions.

Fill in the blanks with the correct word from the brackets: For formation of an electrovalent bond between elements 'X' and 'Y' which are a metal and non-matal respectively, X should have a _________ [high / low] ionization potential and 'Y' a _________________ [high / low] electron affinity.

Fill in the blanks with the correct word from the brackets: The covalent molecule containing three single covalent bonds is ____________________ [water / methane / ammonia].

State true or false: The elements of group 17 of the periodic table are called halogens.

Fill in the blanks by selecting the correct word from brackets : If an element has a low ionization energy then it is likely to be .......... (metallic / non metallic).

With reference of first three periods of the periodic table. Valency of elements in group 17

The properties which are common to the elements belonging to group 1 and 17 of periodic tables are: