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WorksheetsG9 Final Exam Review - Part 1
Total questions: 50
Worksheet time: 43mins
Who is the scientist that classified the elements with the same chemical properties into a group called triads?
Dmitri Mendeleev
John Newlands
Antoine Lavoisier
Johann W.Dobereiner
Who named the arrangement as the Law of Octaves?
Johann W.Dobereiner
John Newlands
Dmitri Mendeleev
Henry Moseley
The following statements referred to the contributions of a scientist in the development of the Periodic Table.
He arranged the elements in order of increasing atomic mass
He was also able to predict the properties of undiscovered elements.
Who was the scientist?
Lothar Meyer
Henry Moseley
John Newlands
Dmitri Mendeleev
Who classified the elements in a group of three known as "triads"
Mendeleev
Chancourtois
Dobereiner
Moseley
He is considered as the father of the modern periodic table.
Newlands
Dobereiner
Galilei
Mendeleev
Who experimented with the newly invented X-Ray technology?
Newlands
Moseley
Chancourtois
Avogadro
Which set of triads DOES NOT fit Dobereiner's Law of Triads?
lithium, sodium, potassium
calcium, strontium, barium
phosphorus, arsenic, antimony
chlorine, bromine, iodine
Mendeleev arranged the elements by their ________________
alphabetical
density
melting point
atomic mass
Which of the Scientists discovered and isolated argon, one of the rare gases of the atmosphere?
Dmitri Mendeleev
Glenn Seaborg
Baron Rayleigh
William Ramsay
Atoms of elements in group 1 have ____________.
one electron in their outermost energy level
two electrons in their outermost energy level
seven electrons in their outermost energy level
eight electrons in their outermost energy level
The elements with atomic numbers 2, 10, 18, 36, 54 and 86 are all
halogens.
nobel gases.
nobel metals.
light metals.
Pick out the correct statement regarding Mendeleev's periodic table.
Mendeleev predicted periodicity based on the similarities of physical properties of the elements only.
All the elements fit the classification with increasing atomic weight.
The elements in a group are not similar in their properties.
Mendeleev predicted the existence of Eka-Aluminium and Eka-Silicon.
What is group 1 in the periodic table called?
The Alkali Metals
The Halogens
The Noble Gases
The Transition Metals
What do we call the rows of the periodic table?
groups
series
periods
families
What do we call the columns of the periodic table?
valence shells
groups
periods
series
What do we call the elements in the column furthest to the right in the periodic table?
Alkali metals
Noble gases
Halogens
Alkaline earth metals
How many protons does Lithium have?
3
4
7
10
Group 17 in the periodic table are ______
noble gases
Halogens
Alkali
By looking at the element illustrated here, how might you classify it by appearance?
Metal
Non-Metal
Metalloid
This picture illustrates copper's
brittleness
malleability
ductility
Easily breaks into pieces when it falls.
malleable
lustre
ductile
brittle
Which element has the highest atomic number in the first period of the periodic table?
Hydrogen
Helium
Lithium
Beryllium
Which of the following elements is a noble gas?
Oxygen
Nitrogen
Neon
Chlorine
Which three groups of the Periodic Table contain the most elements classified as metalloids (semimetals)?
1, 2, and 13
14, 15, and 16
2, 13, and 14
16, 17, and 18
Which element is a member of the halogen family?
K
B
I
S
Alkali metals, alkaline earth metals, and halogens are elements found respectively in Groups
1, 2, 18
1, 2, 14
2, 13, 17
1, 2, 17
Atoms of metallic elements (metals) tend to
gain electrons and form negative ions
gain electrons and form positive ions
lose electrons and form negative ions
lose electrons and form positive ions
Which element is ductile?
S
Si
Ge
Au
Which element is brittle and does not conduct heat or electricity?
S(s)
Mg(s)
Al(s)
K(s)
Which characteristics describe most solid nonmetals?
They are malleable and have luster.
They are malleable and lack luster.
They are brittle and have luster.
They are brittle and lack luster.
Which of the following is correct?
Elements in the same period have same number of electron shells, while elements in the same group have different number of valence electrons.
Elements in the same period have same number of electron shells, while elements in the same group have same number of valence electrons.
Elements in the same period have different number of electron shells, while elements in the same group have same number of valence electrons.
Elements in the same period have different number of electron shells, while elements in the different group have different number of valence electrons.
What step does every scientific experiment begin with?
hypothesis
question/problem
procedures
conclusion
List the Scientific Process steps in order.
Observation, Question, Hypothesis, Experiment, Data, Conclusion
Conclusion, Observation, Experiment, Data, Hypothesis
Observation, Experiment, Hypothesis, Conclusion, Data, Question
None of the above
Which of the following is NOT a testable question?
How do rockets work?
Does fertilizer help plants grow bigger?
Does heart rate increase with exercise?
Does the freezing point of water change at different elevations?
The name of the information that you get from your experiment (you organize it into charts and graphs).
observations
conclusion
data
variables
hypothesis
Dependent variable means
the scientist controls what to test
educated guess
ask a question
what is being measured
