Couldn't confirm presence of Flash 7 or higher because JavaScript was disabled.
We highly recommend that you install Flash 7 or higher and that you enable JavaScript.
Get Flash ---
I really do have Flash installed.
What follows is a plain HTML version of the puzzle.
4.1 Atomic Theory and Bonding
BC Science 10
www.bcscience.com
| C | F | K | Z | R | W | B | R | F | N | U | C | L | E | U | S | V | Z | L | P | I | K | G | T | A |
| S | H | T | A | B | J | W | T | C | X | J | P | P | W | U | B | P | S | O | B | N | H | L | Z | F |
| A | C | I | E | L | E | C | T | R | O | N | S | N | J | B | Q | N | W | N | R | T | W | V | N | I |
| Y | V | I | U | Q | F | P | K | N | H | M | E | S | M | G | O | L | L | E | N | G | B | W | V | Y |
| L | I | Y | L | Z | I | P | M | Z | E | Y | F | S | U | I | D | I | A | P | P | T | B | P | T | X |
| E | Z | L | D | N | B | J | J | O | T | C | B | V | U | B | X | H | T | A | X | B | B | E | T | K |
| W | E | Q | C | O | M | P | O | U | N | D | U | M | L | Z | A | N | O | I | W | Z | O | R | R | F |
| I | Z | B | A | A | I | O | N | I | C | A | I | P | E | W | T | T | M | R | B | M | H | I | A | T |
| S | L | P | M | U | L | T | I | V | A | L | E | N | T | R | U | W | O | K | R | I | R | O | N | W |
| H | Z | L | W | U | I | D | H | S | W | F | O | Z | M | P | E | X | K | M | E | P | W | D | S | D |
| B | L | R | P | T | S | O | E | S | T | A | B | L | E | L | Y | N | X | V | I | J | L | N | I | I |
| V | A | V | N | U | C | L | E | A | R | C | H | A | R | G | E | V | W | Q | N | C | G | N | T | A |
| C | F | G | P | R | O | T | O | N | W | C | O | V | A | L | E | N | T | W | E | C | Z | Q | I | T |
| I | Z | O | I | D | M | X | J | Q | D | D | A | T | O | M | I | C | N | U | M | B | E | R | O | O |
| A | G | H | B | A | T | Q | C | H | E | M | I | C | A | L | L | K | U | A | Y | W | A | Y | N | M |
| R | H | M | J | N | E | U | T | R | O | N | S | D | O | P | F | S | U | A | Q | G | H | U | N | I |
| W | D | S | H | E | L | L | W | B | N | W | B | B | K | Q | C | P | C | L | U | N | P | O | U | C |
1. _____ diagrams show the arrangement of protons, neutrons, and electrons in atoms and also in ions.
2. These are formed from atoms that have lost or gained electrons.
3. _____ diagrams show the arrangement of bonds within compounds.
4. A pure substance that is composed of two or more atoms combined in a specific way.
5. The smallest particle of any element that retains the properties of the element.
6. _____ changes are changes in the ways the atoms and molecules in a pure substance are arranged and interconnected.
7. _____ particles are the particles that make up an atom.
8. Protons and neutrons are held tightly together at the centre of the
atom in a tiny region called the _____.
9. Most of the volume of an atom is the region occupied by its _____.
10. The simplest possible nucleus is found in the element hydrogen, which contains only one _____.
11. In heavier atoms, extra _____ help to make the nucleus stable by keeping the protons as far apart as possible.
12. _____ _____ is simply found by counting the number of protons.
13. The nuclear charge is the same as the _____ _____.
14. In the periodic table, each row is also called a _____.
15. _____ metals include familiar elements such as iron, nickel, copper, silver, and gold.
16. Some metals are _____, which means they can form ions in more than one way, depending on the situation.
17. The two elements in period 1 of the periodic table, hydrogen and helium, have a single occupied _____.
18. In terms of atomic stability, lower energy states are more _____.
19. In _____ bonding, one or more electrons transfers from each atom of the metal to each atom of the non-metal.
20. In _____ bonding, atoms overlap slightly, and one unpaired electron from each atom will pair together.
21. A pair of electrons in the valence shell that is not used in bonding is sometimes called a _____ _____.
22. A _____ molecule is a pair of atoms of the same element that are joined by covalent bonds.