Biology unit 2 Flashcards
1
Q
Name the 3 pieces of an atom and give their charges.
A
Atom, Proton= positive, Neutron= neutral/no charge, and Electrons= negative
2
Q
What two pieces are at the center of an atom?
A
Proton, and neutron
3
Q
How is compound different from an element?
A
A element only has one atom and a compound has two or more atoms.
4
Q
How is a ionic bond formed?
A
When an atom transfers or gives away an element to another atom.
5
Q
How is a covalent bond formed?
A
When two atoms share electrons
6
Q
What is a solution?
A
Mixtures where the compound evenly distribute.
7
Q
What is a solvent?
A
The substances that dissolves ANOTHER substance.
8
Q
What is a solute?
A
The substance that is dissolved.
9
Q
what specific ion does the pH scale mesure?
A
H+
10
Q
What is the scale between?
A
0-14
11
Q
What number is neutral on a pH scale?
A
7
12
Q
A
