Across
- 3. An alloy of mercury with one or more metals
- 10. Reaction that takes in energy in the form of heat
- 13. Most radioactive element
- 16. A measure of an atom's ability to attract shared electrons to itself
- 17. _________ is the resistance of a fluid (liquid or gas) to a change in shape or movement of neighbouring portions relative to one another
- 18. Group 17 elements contain: ________
Down
- 1. A ______ bond is a chemical bond that involves the sharing of electrons to form electron pairs between a that involves the sharing of electrons to form electron pairs between atoms
- 2. The process of coating a metal with another metal to more permanently protect it from the environment
- 4. One ____ of a substance is equal to 6.022 × 10²³ units of that substance
- 5. Metal with the highest melting point
- 6. Chemistry that deals with carbon
- 7. A reaction in which there is a gain of oxygen or a loss of hydrogen
- 8. The Only metal that is liquid at room temp
- 9. what is the name of the element'Pb'
- 11. Another term for the corrosion of metal
- 12. Any substance that increases the rate of a reaction without itself being consumed
- 14. a metal made by combining two or more metallic elements
- 15. _____ bonds are formed between two or more atoms by the transfer of one or more electrons between atoms