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Gen Chem > Week 1 Lesson/Quiz > Flashcards

Week 1 Lesson/Quiz Flashcards

(60 cards)

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1
Q

Element Compounds of Salt

A

Na [ Sodium] + CI [Chlorine ]

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2
Q

NaCl means

A

Sodium Chloride

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3
Q

Element Compounds of Soap

A

Sodium Hydroxide
Na + OH
NaOH

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4
Q

NaOH

A

Sodium Hydroxide

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5
Q

basic unit of a chemical element

A

Atom

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6
Q

positive electrons

A

cation

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7
Q

Negative electrons

A

anion

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8
Q

Sub atomic particles

A

Protons
Electrons
Neutrons

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9
Q

positive

A

protons

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10
Q

negative sub atomic particles

A

Electrons

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11
Q

Does not carry any charge

A

Neutrons

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12
Q

Structure of atom

A

Nucleus
Proton
Neutron
Electron

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13
Q

Cover up the neutron and proton

A

Nucleus

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14
Q

Outside the atom

A

Electron

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15
Q

Inside the nucleus

A

Proton and electron

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16
Q

molecules that make up all things

A

matter

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17
Q

Element are

A

Atom

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18
Q

2 or more element being bonded together to form a new compound or molecule.

A

Compound

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19
Q

Parts of chemical reaction equation.

A

Reactant, product

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20
Q

HCl means

A

Hydrogen chloride or hydrochloric acid

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21
Q
  • No chemical reactions is allowed
    • can be observed and measured.
A

Physical Properties

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22
Q

15 example of physical properties

A

1.Color (I)

  1. Texture (I)

3.Temperature (I)

  1. mass (E)
  2. Volume (E).
  3. Density (E)→ Densities [H-0.0009 g/cm³, Os-23 g/cm³]

7.Luster (I) - reflection

8.Ductility (I) - stretched into a wire

9.Malleability (I)

10.State (I)

11.Melting Point / Freezing Point (I)

12 Boiling Point / Condensation Point (1)

  1. Hardnets (I)

14.Streak (I) - color ween rubbed in a porcelain plate

  1. Shape (1)
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23
Q

reflection

A

luster

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24
Q

Lowest density element

A

Hydrogen

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25
Hydrogen density amount
0.0009 g/cm³
26
Highest density element
Osmium
27
Osmium density amount
23 g/cm³
28
Stretched into a wire
Ductility
29
Color when rubbed in a porcelain plate
Streak
30
4th state of matter
Plasma
31
determine by the chemical composition of the particles and their structure arrangement
Intensive properties
32
Structure of Diamond
Covalent bond Carbon Atom
33
Structure of Graphite
Covalent bond. weak binding forces, Carbon atoms
34
metal to metal
Covalent bond
35
(Sharing of eltectrons)
Covalent bond
36
depend only on the number of partides, not on their composition or internal arrangement
extensive properties
37
Internal
Intensive
38
External
Extensive
39
DOES NOT DEPEND on the amount of the substance present
Intensive Property
40
ONE DOES DEPENDS on the amount of the substance present.
Extensive Property
41
taking of electrons
Ionic
42
Only quality that is observed through chemical reactions
Chemical Property
43
A trait of matter that can only be observed. if a substance has the property. In the process of testing the chemical property, the substance changes composition if it has that property.
Chemical Property
44
Reactivity with oxygen. rusting (iron) tarnishing (silver, copper, brass, etc.).
Chemical Property
45
Reactivity with water
Chemical Property
46
Reactivity with acids or bases.
Chemical Property
47
Combustibility or Flammability.
Chemical Property
48
What something is mode of it always a chemical property.
Chemical formula (Chemical composition).
49
All chemical properties are intensive. None are extensive why?
Because chemical properties never depend on how much of a substance. is present, but only on what kind of particles make up the substance.
50
a distinctivs property that helps you determine the Identity of a material
characteristic property
51
measure of how easily a material is scratched.
Hardness
52
Moh's Scale of Hardness
10 Diamond 6.5 ceramis 5.5 Glass 3.5 Penny 2.5 Fingernail 1 Talc
53
The color lett behind when a material is rubbed against porcelain plate. (warning streak cun be white).
Streak
54
the shape of crystals is called
Habit
55
How many atoms molecule in single ATP
24 atoms
56
0-6
acidic
57
7
neutral
58
8-14
basic
59
Example of Intensive Properties
Color Texture Temperature Luster Ductility Malleability State Melting point/freezin point Boiling point/condensation point Hardness Streak Shape
60
Example of extensive properties
Mass Volume Density Length

Gen Chem (1 decks)

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