Formation of Elements Flashcards
1
Q
Nucleosynthesis
A
formation of elements
2
Q
number of naturally occurring elements
A
92
3
Q
pure substance that contains one kind of atom
A
element
4
Q
matter
A
made up of molecules
5
Q
atom
A
smallest unit and the building block of matter
6
Q
isotope
A
element with same amount of protons but different amount of neutrons
7
Q
mass number
A
on top
8
Q
number of proton/electrons
A
Atomic number
9
Q
atomic number
A
sa baba
10
Q
protons + neutrons
A
Mass number
11
Q
Radioactivity
A
disintegration of an element or an isotope with radioactive particles or radiation emission
12
Q
Law of Conservation of Charges
A
The atomic number and atomic mass must be
equal with one another, before and after the
reaction.
13
Q
Protium
A
simple/base hydrogen
14
Q
Deutrium
A
hydrogen with 2 neutrons
15
Q
Reactants
A
before arrow
