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Periodic Table Trends
Test Description: Answer the following questions about periodic trends in atomic radii, electronegativity, and reactivity.
Instructions: Answer all questions to get your test result.
1) As one moves from left to right ( → ) within a period across the periodic table, the atomic radius of the elements encountered tends to:
A
decrease
B
stay the same
C
increase
2) The most reactive metals are located:
A
lower left hand corner of the periodic table
B
upper left hand corner of the periodic table
C
lower right hand corner of the periodic table
D
upper right hand corner of the periodic table
3) Of the following elements, which one would have the largest radius?
A
Nitrogen (N)
B
Boron (B)
C
Lithium (Li)
D
Neon (Ne)
4) As one moves from down ( ↓ ) a group on the periodic table, the electronegativity of the elements encountered tends to:
A
increase
B
stay the same
C
decrease
5) The elements with the largest atomic radii are found in the:
A
upper right-hand corner of the periodic table
B
lower left-hand corner of the periodic table
C
upper left-hand corner of the periodic table
D
lower right-hand corner of the periodic table
6) As one moves from down ( ↓ ) a group on the periodic table, the atomic radius of the elements encountered tends to:
A
increase
B
stay the same
C
decrease
7) Of the following elements, which one would have the largest radius?
A
Sodium (Na)
B
Cesium (Cs)
C
Hydrogen (H)
D
Potassium (K)
8) Anions have a ______________ charge and have ______________ electrons.
A
negative/gained
B
positive/lost
C
negative/lost
D
positive/gained
9) The measure of the attraction that an atom has for electrons involved in chemical bonds is known as:
A
electronegativity
B
atomic radius
C
reactivity
D
radioactivity
10) As one moves from left to right ( → ) within a period across the periodic table, the electronegativity of the elements encountered tends to:
A
decrease
B
stay the same
C
increase
11) Cations have a ______________ charge and have ______________ electrons.
A
negative/lost
B
negative/gained
C
positive/gained
D
positive/lost
12) How many protons does Mg have?
A
2
B
+2
C
24
D
12
13) Which has the largest atomic radius?
A
O
B
Te
C
S
D
Se
14) Which is the most electronegative?
A
Al
B
Si
C
Mg
D
Na
15) How many valence electrons does Li have?
A
1
B
3
C
+1
D
6
*select an answer for all questions
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