Topic 2: Basic Chemistry Flashcards
1
Q
Atom
A
Smallest unit, proton, neutron, electron
2
Q
Element
A
All (iron) atoms in existence
3
Q
Proton
A
Found in nucleus
1 amu mass
+1 charge
4
Q
Neutron
A
Found in nucleus
1 amu
0 charge
5
Q
Electron
A
Found in Orbitals
0 mas
-1 charge
6
Q
Isotope
A
Same # proton, different # neutrons
7
Q
Ion
A
Formed when atoms gain or lose electrons. Cations and Anions
8
Q
Cation
A
loses e, + charge
9
Q
Anion
A
Gains e, - charge
10
Q
Ionic Bond
A
Bond formed between oppositely charged ions
11
Q
Covalent Bond
A
When atoms share electrons (strongest bond)
12
Q
A
