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WorksheetsIC Periodic Table Basics & Chem Basics
Total questions: 51
Worksheet time: 26mins
How is the medern periodic table arranged?
Increaseing atomic mass
decreasing atomic mass
increasing atomic number
decreasing atomic number
Who is called the "father of the periodic table"?
Gregor Mendel
Dmetri Mendeleeve
Henry Duterochet
Heny Mosley
What happens if you burn the fuse AND collect all the products of this chemical reaction?
mass increases
mass decreases
mass stays the same
mass changes randomly
Which of the models of a chemical reaction best represents the Law of Conservation of Mass?
A
B
C
D
The percentage of copper and oxygen in samples of “CuO” obtained by different methods were found to be the same. This illustrates the law of:
Definite proportions
Conservation of mass
Multiple proportions
Reciprocal proportions
Which law states that different masses of one element combine with the same relative mass of another element to form different compounds?
Law of multiple proportions
Law of Inertia
Law of definite proportions
Law of conservation of mass
A subscript is used to
show how many atoms of each element are in a compound.
show the state of compounds.
show how many compounds are taking place in a reaction.
show how many molecules of each substance is taking place in a reaction.
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
Example: H2
Flourine
F
Fl
Fo
Fn
Lead
Le
L
P
Pb
Magnesium
M
Mg
Ma
Ms
Neon
N
Ne
No
Xe
Silicon
S
Si
Sl
Sc
Aluminum
A
Am
Al
Au
Beryllium
B
By
Br
Be
Bromine
B
Bo
Bro
Br
Helium
H
He
Hl
Hm
Hydrogen
H
Hy
Hd
Ho
Iodine
I
Io
Id
Z
Iron
Ir
I
F
Fe
Nickel
N
Nl
Ni
Nk
Nitrogen
N
Ni
Nt
Ng
Oxygen
O
Ox
Og
Oy
Phosphorus
Ph
P
Pp
Po
H
(a)
C
(a)
N
(a)
O
(a)
Na
(a)
Mg
(a)
Al
(a)
S
(a)
Cl
(a)
K
(a)
Ca
(a)
Fe
(a)
