3rd Test Flashcards

0
Q

Came up with modern method for writing the symbol for an element

A

Jon’s Jakob Berzelius

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1
Q

Mixture of tin and lead

A

Pewter

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2
Q

Discovered nitrogen

A

Daniel Rutherford

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3
Q

Discovered that static electricity was miniature lightning

A

Benjamin Franklin

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4
Q

Italian medical scientist who discovered that static electricity caused frog legs to twitch

A

Luigi Galvani

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5
Q

Mixture of copper and tin

A

Bronze

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6
Q

A process that prevents iron from rusting

A

Painting

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7
Q

Created te first electric battery

A

Alessandro Volta

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8
Q

Used electricity to separate oxygen from various elements and discovered many elements in this way

A

Humphrey Davy

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9
Q

The alkali metals made from ash

A

Are members of the sodium family, and have a silvery luster and conduct electricity and heat are soft, melt at a low temperature

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10
Q

The Royal Society was formed to

A

Communicate new ideas rapidly

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11
Q

Current electricity is due to the motion of

A

Electrons

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12
Q

Humphrey Davy invented a safety lamp for miners

A

He refused to patent so that miners could get it more quickly

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13
Q

Diamonds and graphite

A

Are two forms of carbon

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14
Q

Iron

A

Is a metal used by the Aztecs that fell from the sky

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15
Q

Reacts to the oxygen in water so fast that it ignites hydrogen making water burn

A

Potassium

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16
Q

Used to make soap, windows, salt and baking soda

A

Sodium

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17
Q

False science

A

Alchemy

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18
Q

The element necessary for

Combustion

19
Q

Shooting stars

A

Meteorites

20
Q

Sterling silver is ______ silver and _____ another metal

A

11/12, 1/12

21
Q

A block of ______ will float in mercury

22
Q

Synthetic diamonds are made by using great _______ and _________

A

Pressure and temperature

23
Q

_______ is the lightest gas

24
Robert Boyle gave is the modern definition of ________ which proved that alchemy was impossible
Element
25
______ causes fires to burn well
Oxygen
26
Most of the air is made up of ______
Nitrogen
27
Often credited with discovering carbon dioxide
Joseph Priestly
28
Famous scientist who defined the laws of gravity and was born the same year Galileo died
Isaac Newton
29
Goodyear discovered vulcanized rubber when he
Heated sulfur with raw rubber
30
The invisible college was
A gathering of experiments scientists
31
Cavendish released the gas hydrogen by exposing metals to
Hydrochloric acid
32
Cast iron, steel, and wrought iron differ only in the amount of this element in them
Iron
33
Reacts to the oxygen in water so fast that it ignites hydrogen making water burn
Potassium
34
Discovered hydrogen
Henry Cavendish
35
In ancient times ________ was even more valuable than gold
Iron
36
Burning is an example of _______ oxidation
Rapid
37
__________ was an American scientist who saw a meteorite fall and began investigating
Benjamin Silliman
38
Latin name for lead
Plumbum
39
A negative characteristic of gold is that it's ________
Soft
40
Though _______ is poisonous it can be made safe by combining it with metal such as silver.
Mercury
41
A metal is a solid material that is typically hard, shiny , __________ and capable of being drawn out into wire of thread
Malleable
42
The most important compound using sulfur is ___________. It is used in car batteries and to clean metal before manufacturing
Sulfuric acid
43
Alchemists believed that gold could be made by combining sulfur because it was _________ and lead because it was __________.
Yellow, heAvy
44
One of the ten greatest scientists of all time is ________. He was a chemist who helped get science back on track.
Robert Boyle
45
Robert Boyle made __________ out of phosphorous and sulfur
Matches
46
When in the presence of oxygen, hydrogen is very ________
Explosive