Yesr 10 Chemistry Flashcards
1
Q
Atomic number
A
Position of the element on periodic table
2
Q
Mass number
A
The “big” number of the element
Is equal to the number of protons “plus” number of neutrons
3
Q
Number of protons
A
Is equal to the atomic number of the element
4
Q
Electron shell arrangement
A
2,8,18
5
Q
Ionic bond
A
Atoms exchange electrons
Usually occur between metals and non-metals
6
Q
Covalent Bond
A
Atoms share electrons
Normally occurs between non-metals
7
Q
Isotopes
A
Number of neutrons
8
Q
One mole is equal to
A
6.02 X 10^23
9
Q
Fm
A
Formula Mass
Uses atomic mass in grams
10
Q
AM
A
Atomic Mass
11
Q
Who Grouped the first 56 elements
A
John Newlands
12
Q
Who developed the current Periodic Table
A
Dimitri Mendeleev
13
Q
What are the 5 element families
A
Alakali Metals Alkaline earth metals Transition Metals Halogens Noble Gasses
14
Q
Which group does not bond
A
Noble Gasses
15
Q
Metallic Bond
A
Bond that occurs between metals
