9) On the back of this paper, explain what happens when two metal elements get close enough to interact (with respect to valence electrons), the name of that kind of bond and draw a picture (please label the parts)?
10) What is the difference (looking at electrons) between a Polar molecule and a Non-polar molecule?
11) Define activation energy:
11) What is the other requirement for an Effective collision?
12) ____________________ explains how "fast" products can be made (also called Rate of Reaction) in a chemical reaction.
13) What is the difference between a Reversible reaction and an Irreversible reactions.
14) Exothermic reaction/process absorbs energy for the reaction to occur. True / False
15) What two pieces of information does a quantitative measure provide if one is following the rules of Significant figures (Sig fig)?
15) _________________ is has to do with the mechanics or way in which you make a quantitative measurement.
16. _____________ is the symbol for base unit of mass.
17. Give me a piece of lab safety equipment, explain its function and explain where it is in the room.
18. Name of the base unit for temperature. __________________
19. Symbol for the base unit of amount of substance. ______________
20. Name for base unit (or particle) of an ionic compound. _______________
21. 0.5010g has how many significant figures (sig figs)? _____________
15. Write 300g with 2 sig fig: ________________
16. Now with 1 sig fig _____________ and with 3 sig fig ____________