C2. The Periodic Table: Key Words Flashcards
1
Q
Alkali metal
A
elements in Group 1 of the periodic table
2
Q
Halogens
A
the elements found in Group 7 of the periodic table
3
Q
Transition element
A
element from the central block of the periodic table
4
Q
Universal indicator
A
a mixture of indicators that can change through a range of colours to show how strongly acidic or alkaline liquids
and solutions are