Acids and Bases Vocabulary

Today we met the key words that will help us in the "Acids and Bases" topic (Chemistry).

We found the definition (meaning) for each of these words (pp92-93 in the sciPad).

We then used puzzlemaker.discoveryeducation.com to create our own revision crossword.

Across
2. A representation of a chemical reaction using symbols, plus signs and an arrow
4. The building block of matter
5. An ion made up of only one type of atom
6. An abbreviated name for a chemical, using atomic symbols rather than names
8. A sub-atomic particle found in the nucleus with no charge
9. A substance made during a chemical reaction
10. Negatively-charged sub-atomic particle.
11. A positively-charged ion
13. A pure substance make up of more than one type of element
14. The central part of an atom; it has a positive charge.

Down
1. The number of protons in the nucleus of an atom.
2. The purest found of a substance, made up of only one type of atom
3. A sub-atomic particle usually found in the nucleus, with a positive charge
7. mass The total number of particles (neutrons and protons) in the nucleus
9. An ion made up of more than one type of atom
12. A negatively-charged ion