crossword-1

An online crossword puzzle with 18 words. Play it free at AgileCrosswords.com.

Clues

A row of very useful elements on Period 4 with many structural applications. (10,5)
The number of protons in the nucleus of an atom (6,6)
Cannot be broken down into simpler substances (7)
Great in balloons! (6)
Its atomic number is 47. (6)
Metal used to make an excellent coducting base to more expensive cooking pans. (6)
The colour of the precipitate formed when sodium hydroxide solution is added to iron(II) sulphate so
The charge on a neutron! (4)
The (4) of a reaction is its speed. (4)
An insoluble solid is formed from mixing solutions. (13)
The type of chemical change that absorbs heat energy (11)
With increase in atomic number the reactivity of the Alkali Metals (9)
The negative particle that orbits the nucleus of an atom.
Used to denote an element. (6)
A very unreactive gas used in light bulbs and lasers. (5)
The state of iodine at room temperature and pressure. (5)
The number of the group of the most reactive metals in the periodic table. (3)
The chemical symbol of a very reactive element with water but quite harmless in common salt. (2)