Acids and Bases A

2. This acid produces 'chloride' salts
3. All acids produce these ions
5. When a solid is crushed, more particles are exposed, more particles are available for collision
7. Elements in the same ? of the periodic table have the same number of shells of electrons
8. When a positive and negative ion attract they form what type of bond?
12. Has a high concentration of OH- ions and a pH between 8 -1 4
13. Has equal amounts of H+ and OH- and a pH of 7
15. This acid produces 'sulfate' salts
17. An indicator which is either red or blue colour, can show whether a solution is an acid, base or neutral
20. Elements in the same ? of the periodic table have the same number of electrons in their outer shell
21. A substance made up of atoms of two or more different elements joined by chemical bonds
22. Subatomic particles with a positive charge. Found in an atom's nucleus
23. Has a high concentration of H+ ions and a pH between 1 - 6
25. Charge on an ionic compound

1. Indicator which shows how strong an acid or base is by showing different colours (red-orange-green-blue-purple)
4. More particles per volume, so increased chance of collisions
6. Number which tells you how many protons an atom has
9. This acid produces 'nitrate' salts
10. The total number of protons and neutrons in the nucleus of an atom
11. Subatomic particles with no charge (neutral). Found in an atom's nucleus
14. Negatively charged particles that orbit the nucleus of an atom
16. An atom that has lost or gained electrons and has a charge (+ or -)
18. Causes reactant particles to have more kinetic energy + move more quickly, higher chance for successful collisions
19. A pure substance made of only one kind of atom
21. Any chemical that speeds up reaction rate, but is itself unaffected.
24. Theory that reactant particles must collide with sufficient force + correct orientation for a chemical reaction to occur