Which of the following matches of group number and common name is incorrect?
A) Group 2 - alkaline earth metals
B) Group 4 - alkali metals
C) Group 17 - halogens
D) Group 18 - noble gases
B
The symbol "Ce" represents what element?
Cerium
In the box above the number 31 represents the
A) atomic number
B) mass number
C) atomic mass
D) number of neutrons
A
Group 1 on the periodic table (excluding hydrogen) is known as the
A) alkali metals
B) alkaline earth metals
C) transitional metals
D) noble gases
A
A horizontal row on the periodic table is called
A) a period
B) a group
C) a family
D) a series
A
The staircase line on the periodic table separates
A) metalloids from metals
B) transition elements from representative elements
C) metals and non-metals
D) metalloids from nonmetals
C
What is the symbol for Indium?
In
Which of the above has the greater number of electrons?
A) Co
B) Ni
B
The symbol "Sb" represents what element?
Antimony
Gallium has 31 protons and 39 neutrons. How many electrons are in an atom of gallium?
A) 31
B) 39
C) 70
D) 8
A
A main group atom has an atomic number 14. If there are 2 electrons in the 1st energy level and 8 electrons in the 2nd energy level, to what group of the periodic table does this element belong?
A) 12
B) 2
C) 14
D) 6
C
Which of the characteristics listed above are physical characteristics?
A) 1, 2, 3, 4
B) 2, 3, 4
C) 1, 2, 4
D) 1, 4
C
Which element is not found in group 12 of the periodic table?
A) Zn
B) Hg
C) Ga
D) Cd
C) Ga
The symbol "K" represents what element?
Potassium
Elements in Group 18 on the periodic table are known as the
A) halogens
B) alkaline earth metals
C) transitional metals
D) noble gases
D
Which is the smaller atom, potassium or calcium?
Calcium
The symbol "Rn" represents what element?
Radon
The symbol "Bk" represents what element?
Berkelium
A major use of the metalloids is in the manufacture of
A) garbage pails
B) semiconductors
C) light bulbs
D) soaps
B
What is the correct number of neutrons in an atom of Cr?
A) 30
B) 54
C) 24
D) 36
C
The melting point of gallium is what type of characteristic?
A) elemental property
B) chemical property
C) physical property
D) magnetic property
C
The symbol "Ba" represents what element?
Barium
What is the symbol for magnesium?
Mg
Which element in group 16 gains electrons most easily?
A) S
B) O
C) Po
D) Se
B
Gallium has how many neutrons?
A) 28
B) 34
C) 39
D) 3
E) 31
C
What is the symbol for lithium?
Li
What is the element found in the periodic table in group 4 and period 6?
A) hafnium
B) selenium
C) gadolinium
D) chromium
A
The number of subatomic particles in an atom of Br is:
A) 80e, 80p, 35n
B) 35e, 80p, 35n
C) 35e, 35p, 35n
D) 35e, 35p, 45n
D
An atom of titanium has a mass number of 48 and an atomic number of 22. A second titanium atom could have the following number of subatomic particles:
A) 26 p, 22 e, 22 n
B) 21 p, 21 e, 26 n
C) 22 p, 22 e, 24 n
D) 22 p, 26 e, 22 n
B
Moving from top to bottom in Group 18 of the periodic table, the size of the atoms of the noble gases__________.
A) increases
B) decreases
C) stays about the same
D) shows no trend
A
The symbol "O" represents what element?
Oxygen
In a periodic table, vertical columns are called:
A) rows
B) periods
C) groups
D) noble gases
C
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