عمر علاء بدوى
نتيجة الإختبار - G7 U1 L2
اسم الطالب : عمر علاء بدوى
المدينة : كفر الشيخ
Saturday , 19 October 2024 - 07:18 PM7 من 15
السؤال - 1
The alkali earth metals are located in the.......... of the periodic table.
left
right
middle
bottom
إجابة صحيحة
السؤال - 2
The ……- block contains most types of elements.
s
p
d
f
إجابة صحيحة
السؤال - 3
The zero group includes.......
metals.
liquid nonmetals.
metalloids.
inert gases.
إجابة صحيحة
السؤال - 4
In Moseley's table, each element exceeds the preceding element in the same period by one…..
neutron.
proton.
energy level.
atomic mass.
إجابة خاطئة
السؤال - 5
Among nonmetals is……. element.
magnesium
sodium
strontium
bromine
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السؤال - 6
...... is a solid halogen.
Fluorine
Chlorine
Bromine
lodine
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السؤال - 7
The atomic number of the inert gas which is located in the 2nd period is …..
2
8
10
18
إجابة خاطئة
السؤال - 8
An alkali metal is located in the 2nd period, its atomic number is……
9
7
5
3
إجابة خاطئة
السؤال - 9
lodine is ……
trivalent.
divalent.
monovalent.
zero.
إجابة صحيحة
السؤال - 10
The valency of argon is….
0
1
6
8
إجابة خاطئة
السؤال - 11
The atomic number of the most active halogen is………
19
35
17
9
إجابة خاطئة
السؤال - 12
The first four elements in group 4A have the same……
number of electrons in the first and last energy levels.
atomic radius.
number of energy levels.
melting and boiling points.
إجابة صحيحة
السؤال - 13
The element which has the largest atomic radius in the same vertical group is the one with …..
the least number of neutrons in its nucleus.
the least number of protons in its nucleus.
the least number of nucleons in its nucleus.
the largest number of electrons revolving around its nucleus.
إجابة خاطئة
السؤال - 14
What is the change which happens in the alkali metals as the atomic number increases?
Their physical state changes.
Their melting points decrease.
Their atomic radii decrease.
Their boiling points increase.
إجابة صحيحة
السؤال - 15
The vertical group in the modern periodic table that includes the most active metals is…..
the halogens group
the alkali metals group
the 7A group
the zero group
إجابة خاطئة