Chemistry
If an element is in Group 17, it is likely to be …………… [metallic/non-metallic] in character, while with one electron in its outermost energy level (shell), then it is likely to be …………… [metallic/non-metallic].
Related Questions
State the number of elements in Period 1, Period 2, and Period 3 of the periodic table. Name them.
What is the common feature of the electronic configuration of the elements at the end of Period 2 and Period 3 ?
In Period 3, the most metallic element is …………… (sodium/magnesium/aluminium).
Complete the following sentences choosing the correct word or words from those given in brackets at the end of each sentence:
(i) The properties of the elements are a periodic function of their …………… (atomic number, mass number, relative atomic mass).
(ii) Moving across a …………… of the Periodic Table the elements show increasing …………… character (group, period, metallic, non-metallic).
(iii) The elements at the bottom of a group would be expected to show …………… metallic character than the element at the top (less, more).
(iv) The similarities in the properties of a group of elements are because they have the same …………… (electronic configuration, number of outer electrons, atomic numbers)