Lecture 2 (Exam 1) Flashcards
(7 cards)
1
Q
When does the lowest Coulomb potential energy occur?
A
When opposite charges are close together
2
Q
What does breaking bonds require?
A
An input of energy
3
Q
Why does phenolphthalein turn pink?
A
To indicate a solution as basic
4
Q
What happens when Group 1A metals react with water?
A
Hydroxides and Hydrogen gas form
5
Q
Which 1A metal is the most reactive with water?
A
Potassium
6
Q
Which elements are easier to dissolve?
A
Those higher on the periodic table
7
Q
Which elements release energy more easily?
A
Those lower on the periodic table
