Random Flashcards

(36 cards)

1
Q

What does the group number tell you about the element?

A

Number of electrons on the outer shell

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2
Q

What are metals?

A

Elements that can form positive ions when they react

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3
Q

What are non metals

A

Elements that don’t generally form positive ions

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4
Q

How do metals tend to get a full outer shell?

A

Loosing elections

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5
Q

Where do metals get more reactive?

A

Bottom left of the periodic table

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6
Q

Where do non-metals get more reactive ?

A

Top right of the period table

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7
Q

Where are metals on the periodic table table?

A

Bottom left

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8
Q

Where are non metals in the periodic table?

A

Top right

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9
Q

Properties of metal in:
•Appearance
•Strength
•Melting and boiling points
•Conductivity

A

•Shiny
•Strong but malleable
•High
•Good (electric and thermal)

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10
Q

Properties of NON metal in:
•Appearance
•Strength
•Melting and boiling points
•Conductivity

A

•Dull
•Brittle
•Low
•Poor conductors

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11
Q

What is the common name for group 1 metals?

A

Alkali metals

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12
Q

As you go down group 1, what happens with reactivity?

A

Increases

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13
Q

What are the group 0 elements?

A

Non metals with full outer shells

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14
Q

What is the name for group 0

A

Noble gasses

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15
Q

Group 0 has a stable electronic structure, meaning they are what?

A

Unreactive

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16
Q

Group 7 metals are non metals known as what?

17
Q

What is the appearance of the halogen Fluorine?

18
Q

What is the appearance of the halogen Chlorine?

A

Dense green gas

19
Q

What is the appearance of the halogen Bromine?

A

Volatile Red-brown liquid

20
Q

What is the appearance of the halogen Iodine?

A

Dark grey solid or Purple vapour

21
Q

What happens to reactivity going down group 7

22
Q

Since halogens have 7 outer shell electrons, they need how many more?

23
Q

What are the two ways of filling out an outer shell?

A

Sharing electrons (Covalent)
And Loosing/Gaining an electron (Ionic)

24
Q

What do more reactive halogens do to less reactive ones?

A

Displace them

25
When metals loose electrons what ions to they form?
Positive
26
When non metals gain electrons what ions do they form?
Negative
27
What is Ionic bonding?
The electrostatic attraction between oppositely charged ions. (Positive metal and negative non metals)
28
3 properties of an ionic compound?
•Giant ionic lattice structure •High melting and boiling points •Conduct electricity only when molten or dissolved
29
What is covenant bonding?
A shared pair of electrons between two non-metal atoms
30
What is a mixture?
Substances made up of different elements
31
What is a compound?
Substances formed from two or more elements chemically bonded together
32
What is an element?
Substances made up of atoms with the same atomic number
33
What is an isotope?
Atom with same number of protons and different number of neutrons
34
What is the mass number?
Total number of protons and neutrons
35
What is the atomic number?
Total number of protons
36
What’s a molecule?
Particle containing two or more non-metal atoms