Elements Flashcards

1
Q

What is the definition of an element? Give an example.

A

It is a substance made from only one type of atom - Carbon contains only carbon atoms.

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2
Q

What are elements most commonly described as?

A

The building blocks of all substances.

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3
Q

How many elements are there?

A

There are over 112 known elements.

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4
Q

What is the periodic table?

A

Each element has its very own unique chemical symbol. They are arranged in a specific order known as the Periodic Table.

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5
Q

Describe Hydrogen.

A

H, non-metal, gas

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6
Q

Describe Carbon.

A

C, non-metal, solid

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7
Q

Describe Oxygen.

A

O, non-metal, gas

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8
Q

Describe Magnesium.

A

Mg, metal, solid.

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9
Q

Describe Phosphorus

A

P, non-metal, solid.

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10
Q

Describe iron.

A

Fe, metal, solid.

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11
Q

Describe Copper.

A

Cu, metal, solid.

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12
Q

What gas was used to make the Hindenburg burn rapidly and it is the fuel source from the sun?

A

Hydrogen.

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13
Q

What element used to be known as quicksilver and it is a liquid at room temperature?

A

Mercury.

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14
Q

What metal is the Earth’s core made out of any rocks with this iron are described as “ferrous”?

A

Iron.

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15
Q

What element means “hidden” in Greek?

A

Krypton.

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16
Q

What is a grey-white metal that has the highest melting point of any metal?

A

Tungsten.