Exam Based Revision Flashcards
Revision Questions Based on the Mid-term Exam
1
Q
Electrons are _____________ charged particles.
A
Negatively
2
Q
Protons are ______________ charged particles.
A
Positively
3
Q
Neutrons have _____________ charge.
A
No / neutral
4
Q
The number of electrons is __________ to the number of protons.
A
Equal
5
Q
The number of neutrons is ___________ to the number of protons.
A
Equal
6
Q
What are the two types of bonding between elements and molecules?
A
- Ionic Bonding
- Covalent Bonding
7
Q
With a transparent crystal or faceted gemstone, name 1 gemstone that is allochromatic?
A
8
Q
With a transparent crystal or faceted gemstone, name 1 gemstone that is idiochromatic?
A
9
Q
What is the range of human visible wavelengths in nm?
A
700nm - 400nm
10
Q
A
