First day of Chem notes 9-11 Flashcards
Basics, Subatomic particles
1
Q
Chemistry is the study of
A
matter
2
Q
Matter is
A
anything that has mass and takes up space
3
Q
Mass is
A
the amount of matter
4
Q
Weight depends on
A
gravity
5
Q
Mass unit
A
Grams
6
Q
Length unit
A
Meters
7
Q
Volume unit
A
Liters
8
Q
3 Subatomic particles
A
Proton, Neutron, Electron
9
Q
Protons charge
A
Positive
10
Q
Neutrons charge
A
Neutral
11
Q
Electrons charge
A
Negative
12
Q
Protons mass
A
1 amu
13
Q
Neutrons mass
A
1 amu
14
Q
Electrons mass
A
0 amu (or 1/1836 amu)
15
Q
Magnitude of proton =
A
Magnitude of electron
16
Q
Magnitude of electron =
A
Magnitude of proton
17
Q
amu stands for
A
Atomic Mass Unit
18
Q
amu is 1/12 the mass of
A
C-12
19
Q
Proton location
A
Nucleus
20
Q
Neutron location
A
Nucleus
21
Q
Electron location
A
Outside nucleus
22
Q
Atom loses or gains proton
A
Transmutation
23
Q
Atom loses or gains neutron
A
Isotope
24
Q
Atom loses or gains electron
A
Ion
25
Transmutation: loses or gains
Proton
26
Isotope: loses or gains
Neutron
27
Ion: loses or gains
Electron
28
Charged atom
Ion
29
Same atom different mass
Isotope
30
When one atom becomes another
Transmutation
31
2 Nucleons
Protons and Neutrons
32
Nucleons location
Nucleus
33
Atomic number tells us (3 things)
1) # of protons 2) # of electrons 3) Nuclear charge
33
Charge of atom is
ZERO!!!
34
Periodic table arranged by
Atomic #
35
Atomic mass is
Protons + Neutrons
36
Protons + Neutrons is
Atomic mass
