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Flashcards in Chemistry Deck (21):
1

What is the periodic table ordered by

Atomic number and electron arrangements

2

Group 1

Alkali metals

3

Area between Group 2 & 3

Transition metals

4

Group 7

Haolgens

5

Group 8

Noble gasses

6

Very recative metals

Alkali metals

7

Very reactive non-metals

Halogens

8

Very un reactive non metals

Noble gasses

9

What type of particle is every element made of

Atoms

10

3 types of particles

Protons, eutrons and electrons

11

Why neutrons neutral

The protons and neutrons will cancel each other out

12

Mass of proton

1 mass unit

13

Mass of neutron

1 mass unit

14

Mass of eletron

1/2000 negligible

15

Isotopes

They are more than one form of the same element with the same number of protons and different number of neutrons

16

Nucleotide notation

Is the sign of an element with the mass number on the top and the atomic number at the bottom

17

Covalent bonding

The attraction of the opposite nuclei for the shred pair of electrons. Only non metals

18

One bond

Linear

19

Two bonds

Angular

20

3 bonds

Trigonal pyramidal

21

4 bonds

Tetrahedral