Chapter 2-1 Flashcards
1
Q
Smallest unit of hydrogen is an
A
Atom
2
Q
Atom breaks down into three parts
A
Proton
Neutron
Electron
3
Q
Dalton
A
Atomic mass unit
4
Q
Isotopes
A
Same number of protons different number of neutrons
5
Q
Radioactive isotopes
A
Isotopes with unstable nuclei
6
Q
Molecule(proteins) &
Organelles(nucleus) are —— but when combined they are ———.
Example of an emergent property
A
Nonliving
Living
7
Q
96% of all living matter is made of four elements
A
Carbon
Oxygen
Hydrogen
Nitrogen
8
Q
Trace elements are needed in
A
Minute amounts
9
Q
CaPSK
A
4%
10
Q
Capacity to cause change
A
Energy
11
Q
Move away from energy level
A
Absorb
12
Q
Move towards energy level
A
Release
13
Q
Valence electrons
A
Outer shell
14
Q
3D space where the electron is found 90% of the time
A
Orbital
15
Q
Covalent bonds
A
Share electrons
