EOC REVIEW: BOL- Basics of Chemistry Flashcards
1
Q
What is a proton?
A
It is positively charged; equal to one Atomic Mass Unit (AMU)
2
Q
What is a neutron?
A
Not charged; equals slightly more than one AMU
3
Q
What is an electron?
A
Negatively charged, essentially no mass
4
Q
What is atomic mass?
A
Protons + Neutrons
5
Q
What is atomic number?
A
Protons
6
Q
What is an ion?
A
An ion is an atom or group of atoms that has gained or lost one or more electrons, giving it a positive or negative charge.
7
Q
How many electrons fit into each ring?
A
The first shell holds 2, second holds 8, all the rest hold 8
8
Q
What is the difference between covalent and ionic bonds?
A
In covalent bonds, atoms share electrons, and in ionic bonds, atoms transfer electrons.
9
Q
What does polar mean?
A
Oppositely charged
10
Q
What does nonpolar mean?
A
Equally charged
