Lecture 1 Flashcards
1
Q
The atomic number refers to the number of _____ in its nucleus
A
protons
2
Q
An elements ____ ____ is the sum of protons plus neutrons in the nucleus
A
Mass number
3
Q
Is the sharing of a pair of valence electrons by two atoms
A
covalent bond
4
Q
An atom’s attraction for the electrons in a covalent bond
A
electronegativity
5
Q
atoms share electrons equally
A
non-polar covalent bond
6
Q
one atom is more electronegative, and the atoms do not share equally
A
polar covalent bond
7
Q
one atoms takes an electron from another
A
Ionic
8
Q
What are the four properties of water?
A
- Cohesion
- Ice floats
- Moderation of temperature
- Universal solvent
9
Q
Have different covalent arrangements of their atoms
A
Structural isomers
10
Q
Have the same covalent arrangements but differ in spatial arrangements
A
Geometric isomers
11
Q
are isomers that are mirror images of each other
A
enantiomers
