1 Flashcards
1
Q
Discovered atom atoms Make up, Never trust an atom Year discovered Called smaller than atom subatomic that consists of atom? Around outside of atom In nucleus Protons neutrons called Found in them (atoms) Founded PT
A
JJ Thompson Everything 1897 Subatomic PNE Electron Proton neutron Nucleons PNE Mendeleev
2
Q
PT list of Horizontals Verticle Middle Proton charge Electron charge Symbol of pro elc neu Which particles in an atom have no charge? Another name for proton number How many natural elements
A
Elements periods Columns Transitional metal pos neg PNE Neutron AN 92
3
Q
Elements made of one type of Can it be split Elements have own The total number of protons in the nucleus is Location of proton Different types of the same element called How many chlorine isotopes Electronic arrangement Electrons arranged called Shell furthest from the nucleus called
A
Atom No Symbol AN Nucleus Isotope 2 2882 Electron configuration Outer shell
4
Q
Corrosive Oxidising Toxic Harmful Highly flammable Titanium symbol Lithium symbol Test recognise alkali Letter represents a alkali metal Alkali group
A
Hands Ofire S and b X Fire Ti Li Flame M 1
5
Q
Colour lithium goes flame test Sodium flame test Rubidium f test Potassium f test Carbon proton number Oxygen proton number
A
Crimson Yellow Red Lilac 6 8
6
Q
Alkaline group
A
2
7
Q
Hydrogen sym
A
H
8
Q
Technetium sym
A
Tc
9
Q
Scandium sym
A
Sc
10
Q
Sodium sym
A
Na
11
Q
Mendeleev born
A
Tobolsk
12
Q
What’s an element
Ion
Compound
Molecule
A
One type of atom
Charged particle
two or more elements
two or more atoms held together
13
Q
What’s an ion
A
Charged particle formed from an atom or group of atoms losing or gaining electrons
14
Q
Krypton sym
Neon sym
Helium sym
Argon sym
A
Kr
Ne
He
Ar
15
Q
Xenon sym
A
Xe
16
Q
What is an atom
A
The smallest constituent unit of ordinary matter that constitutes a chemical element.
17
Q
What does the shell contain
What does the nucleus contain?
A
Electrons
Proton neutrons
18
Q
How can compounds form?
How can you break an ionic compound?
A
Energy transfer
Provide enough energy
19
Q
What is electrical current?
What is a covalent bond?
A
rate of flow of electric charge
sharing of electron pairs between atoms.
20
Q
What is an atom?
A
Smallest constituent unit of ordinary matter that constitutes a chemical element.
21
Q
intermolecular force?
A
forces which mediate interaction between molecules, including forces of attraction or repulsion which act between molecules and other types of neighboring particles, e.g., atoms or ions.
22
Q
What is a molecule?
A
electrically neutral group of two or more atoms held together by chemical bonds
23
Q
What is graphene?
A
One layer of graphite
24
Q
Give an example of a simple molecular structure
A
H2O
25
Do all covalent bonds conduct electricity?
NO (except graphite and graphene)
26
Why don't covalent bonds conduct electricity?
Because there are no charged particles free to move
27
What are the subatomic particles found in an atom?
PNE
28
Define charged particle.
Charged particle is a particle that has an electric charge.
29
What are the charged particles found in an atom?
Electrons and protons are the charged particles found in an atom.
30
What are the different types of charged particles?
Charged particles are of two types: positive charges and negative charges.
31
What is the mass of an electron?
What is it
Discovered
Orbit what
The mass of an electron is 9.107 × 10-power31 kilograms.
Subatomic
Thompson
Nucleus
32
What is the mass of a proton?
The mass of a proton is 1.672 × 10-27kilograms.
33
Define atomic number.
The total number of protons in the nucleus of an atom is called atomic number.
34
Define neutron number.
The total number of neutrons in the nucleus of an atom is called neutron number.
35
Define mass number.
Mass number is the total number of protons and neutrons in the nucleus of an atom.
Mass number can be mathematically written as
A = Z + N
Where,
A = mass number
Z = atomic number
N = neutron number
36
What happens when two opposite charges (One proton and one electron) are placed close to each other?
They get attracted.
37
Which force causes electrons and protons to experience an attractive or repulsive force from each other?
Electrostatic force causes electrons and protons to experience an attractive and repulsive force from each other.
38
Which force binds the protons and neutrons together to form a nucleus?
The strong nuclear force between the protons and neutrons binds them together to form a nucleus.
39
the smallest part of an element
| Symbols 1 or 2 letters
Atom
| Both
40
Symbol of Oxygen
| Symbol of Sodium
O
| Na
41
Groups have similar?
Properties
42
non-metals are on the
Metals location
Groups listed
Right
Left
1-7 then 0
43
Formula is what
A rule
44
two or more atoms held together
| Molecule chemically bound?
Molecule
| Yes
45
subscripted '2' acrostic
IBring Clay For Our New House.
46
Compound chemically bound
| Molecule chemically bound
yes
| yes
47
Sodium chloride formula
NaCl
48
Carbon dioxide formula
Water formula
Ammonia formula
Methane
CO2
H2O
NH3
CH4
49
Distillation separates what? That contain what?
Created the process
Types
Mixtures liquid
Jabir ibn Hayyan
Simple fractional
50
Isotope
| Allotope
y
51
Concentration
| Dilution
y
52
Halogen group number
| Meaning
17
| "salt-producing"
53
Oxides
u
54
PH measure of
Acid or base
55
Cracking
u
56
Fullerence
| diamond
u
57
```
Esters
Fermentation
crude oil
protein
polymer
malleable
mole
nanoparticle
```
d
58
Electrolysis decomposes?
electric current is passed through an?
Positive electrode
Negative electrode
decompose ionic compounds
electrolyte
Anode
Cathode
59
Oxidation is the loss of
What occurs at the cathode?
What occurs at the anode?
reduction is
The loss of electrons
Reduction
Oxidation
Gaining electrons
60
What is inert?
Unreactive
61
Salt removed from sea water
The different colours in black ink
Ethanol from ethanol and water
Crystallisation
Chromatograph
Fractional distillation
62
What is a mixture of metals called?
The centre of the atom is the
What is the formula for fluorine gas?
Alloy
Neucleus
F2
63
```
negative ions (anions) form when gain or lose electrons?
Positive ions form when (cations)
```
gain electrons
| when atoms lose electrons
64
Electrolyte is what substance
What is the Anode?
What is the cathode?
What is oxidation?
liquid
Positive electrode
Negative electrode
The loss of electrons
