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Flashcards in Chem Deck (19)
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1
Q

Atomic Number = what?

A

Number of protons in the nucleus

2
Q

What is the smallest part of an atom

A

Electron

3
Q

Periods go down or across?

A

Across

4
Q

What do periods signify?

A

Amount of electron clouds

5
Q

Groups go across, true or false?

A

False, they go down

6
Q

What does the group number mean?

A

The amount of electrons in the valence shell

7
Q

What is the valence shell?

A

The outer most electron shell which has electrons in it

8
Q

What groups are the most reactive?

A

1 and 7 because they want to either always gain or loose 1 electron

9
Q

Co valent bonding occurs between what?

A

Two non metals

10
Q

Ionic bonding occurs between what?

A

One metal (cation) and one non metal (anion)

11
Q

What’s a common ionic bond?

A

Salt

12
Q

Metallic bonds are special because?

A

The valence shell electrons drop off and form a free electron sea where the atoms bounce freely

13
Q

What order do normal electron clouds go in?

A

2,8,8,32

14
Q

What order do transition metal electron clouds go in?

A

2,8,18,32

15
Q

Atomic weight = what?

A

Number of Protons + Neutrons

16
Q

What is the most stable group called

A

The nobles

17
Q

What is the least stable groups

A

Alkali metals and halogen gasses

18
Q

What is a group of the same atoms in a mole called

A

A troupe

19
Q

What troupe does carbon form

A

Diamond, Bucky balls and tubes along with charcoal, coal