Chemistry - Chemical Bonding Flashcards

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1
Q

What’s a compound?

A

A compound is a substance that is made up of two or more different elements combined together chemically

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2
Q

What is a compound?

A

Two or more elements combined chemically

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3
Q

What’s an element?

A
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4
Q

What is an element?

A

An element is a substance that can’t be split into simpler substances by chemical means

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5
Q

What’s a molecule?

A

A molecule is a group of atoms joined together. It is the smallest particle of an element or compound that can exist independently

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6
Q

What is a molecule?

A

A group of atoms joined together.

The smallest part of a element or compound that can exist independently.

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7
Q

Name a molecule that is not a compound

A

Here’s are a few

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8
Q

Name a molecule that is a compound

A

Here’s a couple

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9
Q

Categorise this substance.

Element ❑. Molecule ❑. Compound ❑.

A

Element ✔︎. Molecule ✔︎. Compound ✘.

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10
Q

Categorise this substance.

Element ❑. Molecule ❑. Compound ❑.

A

Element ✘. Molecule ✔︎. Compound ✔︎.

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11
Q

Why is this molecule not a element?

A

Because it can be split into two separate elements.

IT’S A COMPOUND

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12
Q

Why is this molecule not a compound?

A

It has only one kind of element

only one kind of atom

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13
Q

Categorise these substances

A
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14
Q

What’s a covalent bond?

A

A bond that consists of shared electrons

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15
Q

What is a single covalent bond?

A

A single covalent bond is when one pair of electrons is shared

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16
Q

What is a double covalent bond?

A

A double covalent bond is formed when two pairs of electrons are shared.

17
Q

Why does H2O act like a magnet?

A

Most of the electron activity is on the oxygen side, so this side becomes more negative than the hydrogen side

18
Q

What is a Cation?

A
19
Q

What’s an Anion?

A

A negatively charged ION

Chlorine ION for example

20
Q

Do you know what an ION is?

A
21
Q

What’s happening here?

A

Table salt is being made. Na+Cl-

22
Q

Name an ionic compound?

A

Na+Cl-

Salt

23
Q

Which of these substances conduct electricity?

A
24
Q

How do IONs conduct electricity?

A
25
Q

Name two ways electricity can be conducted?

A
26
Q

Can this ionic compound conduct electricity?

A

Not unless the ions are free to move

disolved or molten

27
Q
A
28
Q
A