Session 13 TFiC- Part 3 Flashcards
1
Q
Model
A
A schematic description of a system that accounts for its known properties
2
Q
Nucleus
A
The center of an atom, containing the protons and neutrons
3
Q
Atomic Number
A
The number of protons in an atom
4
Q
Mass Number
A
The sum of the numbers of neutrons and protons in the nucleus of an atom
5
Q
Isotopes
A
Atoms with the same number of protons but different numbers of nuetrons
6
Q
Element
A
A collection of atoms that all have the same number of protons
7
Q
Radioactive Isotope
A
An atom with a nucleus that is not stable
8
Q
Half-Life
A
The time it takes for half of the original sample of a radioactive isotope to decay
9
Q
OYO 1
A
11 Protons, 11 electrons, 12 neutrons
10
Q
OYO 2
A
8 electrons, oxygen-16
11
Q
OYO 3
A
A, C
12
Q
OYO 4
A
?
13
Q
OYO 5
A
27 electrons
14
Q
OYO 6
A
longer than nuclear force, but shorter electromagnetic force
15
Q
OYO 7
A
90Y
