Topic 14 Make me a molecule Flashcards

1
Q

What can you explore within a molecular structure?

A

the range of sizes of molecules
some of the features that influence the shapes of molecules
the impact the ways in which the atoms are bonded together influences the structure of molecules
how molecular structure influences the properties of a substance.

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2
Q

What is the general colours that represent molecular structure in diagrams and what do they represent?

A
black/grey = carbon
white = hydrogen
red = oxygen
blue = nitrogen
yellow = sulfur
purple = phosphorous
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3
Q

Define a molecule?

A

A molecule is a group of atoms that are covalently bonded together, and is the smallest unit of a substance that gives rise to the chemical and physical properties of that substance.

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4
Q

What is matter made up of?

A

Atoms

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5
Q

How do atoms interact?

A

Through their electrons

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6
Q

When are ions formed?

A

when electrons are transferred between atoms

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7
Q

When are covalent bonds formed

A

when electrons are shared between atoms covalent bonds are formed.

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8
Q

What is a picometre?

A

10^-12 of a metre

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9
Q

What is a nanometre?

A

10^9

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