Law of Conservation/Periodic table
Counting Atoms
Families of the Periodic
Subatomic Particles
Bonus Bohr Model
100
Magnesium + Oxygen ------> Magnesium Oxide
g + 16.0 g -----> 40.3 g
24.3 g
100
2C2H6
C= 4 H= 12
100
What is the MOST reactive group of elements on the periodic table?
Alkali Metals
100
What is the subatomic particle that has a negative charge
electron
100
Draw Bohr Model for Oxygen
1st Shell= 2
2nd Shell= 6
200
Magnesium+Oxygen --> Magnesium Oxide +Oxygen
48.6 g + 50.0 g -----> 80.6 g + ?
18 g
200
6Na2SO4
Na= 12 S=6 O= 24
200
What is the Least Reactive Family on the periodic table?
Noble Gases
200
What subatomic particle has a positive charge?
protons
200
Draw Bohr Model for (Ar)Argon
1st Shell= 2
2nd Shell=8
3rd Shell=8
300
What does the law of conservation tell us?
Matter cannot be created or destroyed
300
2(S3Cl5)2
S=12 Cl=20
300
What family of elements don't follow the valence electrons rules?
Transition Metals
300
How many neutrons does Ca(calcium) have?
20
300
Draw Bohr Model for Sulfur
1st Shell=2
2nd Shell= 8
3rd Shell= 6
400
How many neutrons does Sodium have
12
400
2Sr(C3H2S3)2
Sr=2 C=12 H=8 S=12
400
What family is found in group 17?
Halogens
400
How many neutrons does Br (Bromine)
45
400
Draw Bohr model for Magnesium
1st Shell= 2
2nd Shell=8
3rd Shell= 2
500
An atom’s mass number is 210 and its atomic number is 85. How many neutrons does the atom have?
125
500
4Al (Ca3H2)2
Al=4 Ca=24 H=16
500
What family is found in group 2
Alkaline Earth Metal
500
How many electrons, protons, neutrons does As (Arsenic) have?
Protons= 33 Electrons= 33 Neutrons= 42
500
Draw a Bohr Model for Neon
1st Shell:2
2nd Shell:8