shit from the textbook idk Flashcards
1
Q
define a dilute acid
A
an acid that has a low ratio of acid to volume of solution
2
Q
define a concentrated acid
A
an acid that contains a high ratio of acid to volume of solution
3
Q
define a weak acid
A
an acid where only a small fraction of their molecules release H+ ions
4
Q
define a strong acid
A
where all of the molecules release H+ ions
5
Q
what are group 1 elements also known as and why?
A
alkali metals - they react with water to form alkaline solutions
6
Q
name 2 trends going down group 1
A
-density increases
-melting point decreases
-reactivity increases
7
Q
describe group 7 elements
A
diatomic molecules with weak intermolecular forces
8
Q
what are group 7 elements also known as and why?
A
halogens - they react with metals to produce salts
