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Gen Chem > Week 1 Lesson/Quiz > Flashcards

Week 1 Lesson/Quiz Flashcards

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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
Q

Hydrogen density amount

A

0.0009 g/cm³

26
Q

Highest density element

A

Osmium

27
Q

Osmium density amount

A

23 g/cm³

28
Q

Stretched into a wire

A

Ductility

29
Q

Color when rubbed in a porcelain plate

A

Streak

30
Q

4th state of matter

A

Plasma

31
Q

determine by the chemical composition of the particles and their structure arrangement

A

Intensive properties

32
Q

Structure of Diamond

A

Covalent bond
Carbon Atom

33
Q

Structure of Graphite

A

Covalent bond.
weak binding forces,
Carbon atoms

34
Q

metal to metal

A

Covalent bond

35
Q

(Sharing of eltectrons)

A

Covalent bond

36
Q

depend only on the number of partides, not on their composition or internal arrangement

A

extensive properties

37
Q

Internal

A

Intensive

38
Q

External

A

Extensive

39
Q

DOES NOT DEPEND on the amount of the substance present

A

Intensive Property

40
Q

ONE DOES DEPENDS on the amount of the substance present.

A

Extensive Property

41
Q

taking of electrons

A

Ionic

42
Q

Only quality that is observed through chemical reactions

A

Chemical Property

43
Q

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.

A

Chemical Property

44
Q

Reactivity with oxygen.
rusting (iron)
tarnishing (silver, copper, brass, etc.).

A

Chemical Property

45
Q

Reactivity with water

A

Chemical Property

46
Q

Reactivity with acids or bases.

A

Chemical Property

47
Q

Combustibility or Flammability.

A

Chemical Property

48
Q

What something is mode of it always a chemical property.

A

Chemical formula (Chemical composition).

49
Q

All chemical properties are intensive. None are extensive why?

A

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
Q

a distinctivs property that helps you determine the Identity of a material

A

characteristic property

51
Q

measure of how easily a material is scratched.

A

Hardness

52
Q

Moh’s Scale of Hardness

A

10 Diamond

6.5 ceramis

5.5 Glass

3.5 Penny

2.5 Fingernail

1 Talc

53
Q

The color lett behind when a material is rubbed against porcelain plate. (warning streak cun be white).

A

Streak

54
Q

the shape of crystals is called

A

Habit

55
Q

How many atoms molecule in single ATP

A

24 atoms

56
Q

0-6

A

acidic

57
Q

7

A

neutral

58
Q

8-14

A

basic

59
Q

Example of Intensive Properties

A

Color
Texture
Temperature
Luster
Ductility
Malleability
State
Melting point/freezin point
Boiling point/condensation point
Hardness
Streak
Shape

60
Q

Example of extensive properties

A

Mass
Volume
Density
Length

Gen Chem (1 decks)

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