Periodic Table
Physical or Chemical
Element or Compound
Atomic Mass
Atomic Number
100
The reason hydrogen is in a group by itself
What is because it sometimes acts like a metal and non metal
100
Burning a piece of fire wood
What is chemical
100
Na
What is Element
100
The atomic mass of Radon
What is 222
100
The atomic number of Rhodium
What is 45
200
The number of noble gases
What is six
200
Vinegar plus baking soda creates a new gas substance
What is chemical
200
C02
What is Compound
200
The atomic mass of Chlorine
What is 35.45
200
The number of protons in Na
What is 11
300
The group number of Alkali metals
What is one
300
Water vapour turns back into water
What is physical
300
H
What is element
300
The total mass of He and Pb
What is 213.1
300
The number of electrons in Silicon
What is 14
400
The number of protons that Mg has
What is twelve
400
Cooking pancakes
What is physical
400
Fe
What is element
400
The total mass of Vanadium and Hydrogen
What is 51.94
400
The number of shells that Boron has
What is two
500
The number of electron shells that Nitrogen has
What is two
500
A rusting nail
What is chemical
500
NaCl
What is compound
500
The number of neutrons in Mercury
What is 120.59
500
The number of covalent electrons that both Sodium and Potassium have. Hint: Draw the Bohr-rutherford diagram!
What is seven
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