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WorksheetsChemistry Review Quiz Contest
Total questions: 20
Worksheet time: 7mins
What will the change in phase of the particles if the kinetic energy is decreased?
Gas
Liquid
Solid
Plasma
What type of method of separation is shown in the picture?
Crystallization
Evaporation
Filtration
Distillation
Which of the following is a CHEMICAL property?
Density
Boiling point
Flammability
Luster
Choose all the subatomic particles
Proton
Orbitals
Electron
Neutron
Atom
The symbol for mass number is (a)
Which element has 10 protons?
C
Ne
He
Ar
How many periods are there in the periodic table?
5
6
7
8
If cations are metals, anions are ________
negative
positive
metalloid
nonmetals
Which of the following elements does not belong to the group?
Ba
Na
H
Fe
Which is the correct Old system name for the chemical formula BaCl2?
Barric chloride
barious chloride
Barium (II) Chloride
None
Which of the following is the empirical formula of C6H12O6?
C6H12O6
CH2O6?
CH2O
CH2O2
What is the charge of Cr in the compound CrSO4?
+1
+2
+3
+4
What is the molar mass of N2P5
135 g/mol
183 g/mol
178 g/mol
104 g/mol
What is the name of the following molecule FCl?
(a)
What is the formula mass of K3PO4?
112 g/mol
145 g/mol
198 g/mol
212 g/mol
What is the empirical formula of CO2?
CO2
CO
C
O
What is the percent C in C6H12O6 if the Molar mass is 180 g/mol
10%
20%
30%
40%
Which of the following does not belong to the group?
K2O
Fe(NO3)2
N-14
PCl5
H2O
An element contains a total of 12 protons and has a net charge of +2. How many electrons it has?
9
10
12
14
What state of matter is shown in the picture?
Solid
Liquid
Gas
Plasma
