PHYSICAL SCIENCE
Quiz by Caycelyn R. Taja
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- Q1
Which of the following best describes the subject area Chemistry?
The study of matter and energy.
The study of the composition, structure, properties of substances and the transformation that undergo in matter.
The study of nature.
The study of heavenly bodies.
30s - Q2
Which of the following does NOT describe Stoichiometry?
is about measuring the amounts of elements and compounds involved in a reaction
can be calculated in moles.
is about measuring the energy of a certain element.
is the Greek word for the measurement of elements.
30s - Q3
Which of the following bonds best describes a metal combined with non-metal?
ionic and covalent
metallic
covalent
ionic
30s - Q4
A metal combined with another metal will form what type of bond?
covalent and ionic
ionic
covalent
metallic
30s - Q5
Which of these combinations is a covalent compound made of?
Nonmetal and nonmetal
Metal and nonmetal
Cation and anion
Metal and metal
30s - Q6
When naming an ionic compound, which kind of element is written last?
Metal
Cation
Anion
nonmetal
30s - Q7
Which of the following best describes a cation?
A positively charge ion
A neutral charge ion
A negatively charge ion
A positively and negatively charge ion
30s - Q8
Which of the following is an example of ionic compound?
NaCl
H2
CO2
O2
30s - Q9
Which of the following is NOT a diatomic compound?
H2
Cl2
O2
C2
30s - Q10
Who is the father of chemistry and stated that no matter is neither created nor destroyed?
Antonie van Leeuwenhoek
Antoine-Laurent Lavoisier
Antonie Lavoisier
Albert Einstein
30s - Q11
Which of the following is a chemist shorthand of a quantitative description of a chemical reaction composed of elements, symbols and numerical values?
Chemical reaction
Chemical formula
Chemical equation
Chemical bonding
30s - Q12
An equation is balanced by adding ____________.
coefficient
reactants
Subscript
variable
30s - Q13
Which of the following shows a correct way to balance the chemical equation: Fe + O2 --> Fe2O3
4Fe + 3O2 --> 2Fe2O3
2Fe + 3O2 --> 2Fe2O6
4Fe + O6 --> 2Fe2O3
2Fe + 3/2 --> 2Fe2O3
300s - Q14
What will be the correct coefficients?
C5H12 + 8O2 --> __CO2 + __H2O
5,8
5, 5
5,7
5,6
300s - Q15
The chemicals that are formed in a chemical reaction.
Neither
Both
Reactants
Products
120s