Year 8 Chemistry

2. table A chart that organises elements by atomic number
4. A material that does not allow heat or electricity to flow easily
8. A one- or two-letter abbreviation used to represent an element
9. The dense centre of an atom containing protons and neutrons
11. A positively charged particle found in the nucleus of an atom
12. A material that allows heat or electricity to flow through it
14. A negatively charged particle that moves around the nucleus
16. Able to be hammered or bent into shape without breaking
18. A type of element that conducts heat and electricity well and is usually shiny

1. Able to be stretched into a wire
2. A horizontal row in the periodic table
3. The smallest unit of matter that still retains the properties of an element
5. A particle with no charge found in the nucleus
6. A property describing something that is shiny
7. A vertical column in the periodic table
10. number The number of protons in an atom
13. An element that is a poor conductor of heat and electricity and not shiny
15. An element with properties of both metals and non-metals
17. Breaks easily when force is applied
19. A pure substance made of only one type of atom