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TRENDS ON PERIODIC TABLE

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.

Which of these elements has the greatest atomic radius?

a)

H

b)

N

c)

Cl

d)

Cs

2.

Sodium (Na) and Cesium (Cs) are in the same group on the periodic table. Based on their locations, which statement about sodium and Cesium is true?

a)

Sodium is less electronegative than cesium.

b)

Sodium has fewer energy levels than cesium.

c)

Sodium has a larger ionic radius than cesium.

d)

Sodium has lower ionization energy than cesium.

3.
The Periodic Table of the Elements is useful for revealing patterns and trends in the elements. Which statement accurately describes a pattern in the size of atomic radii in the Periodic Table of the Elements?
a)
Atomic radii decrease from left to right across a period and decrease from top to bottom in a group.
b)
Atomic radii increase from left to right across a period and increase from top to bottom in a group.
c)
Atomic radii decrease from left to right across a period and increase from top to bottom in a group.
d)
Atomic radii increase from left to right across a period and decrease from top to bottom in a group.
4.
The symbols W, X, Y, and Z represent four elements shown on the outline of a periodic table.
Which element has the highest electronegativity?

a)
W
b)
X
c)
Y
d)
Z
5.
Fluorine, chlorine, bromine, and iodine all have the same number of valence electrons and have a tendency to gain electrons. Which element has the greatest ionization energy and electronegativity?
a)
fluorine
b)
chlorine 
c)
bromine 
d)
iodine 
6.

The ionization energy of an element is the amount of energy required to remove an electron from an isolated atom or molecule. According to the periodic table, which of the following indicates the correct decreasing order of ionization energy?

a)

Li > Na > K > Cs

b)

Na > K > Li > Cs

c)

Li > K > Na > Cs

d)

Cs > K > Na > Li

7.
All elements found on the left side of the Periodic Table of the Elements have what properties in common?
a)
They conduct heat and electricity 
b)
They are all gases 
c)
They are brittle and dull
d)
They are radioactive
8.
Which of these elements has an electron structure most similar to that of element X?
a)
1
b)
2
c)
3
d)
4
9.
Based on their locations in the periodic table, which element has chemical properties most similar to those of calcium, Ca?
a)
beryllium, Be
b)
potassium, K
c)
titanium, Ti
d)
yttrium, Y
10.
The number of valence electrons in an element affects the reactivity of that element. Which element listed has the fewest valence electrons?
a)
beryllium (Be)
b)
sodium (Na) 
c)
oxygen (O) 
d)
neon (Ne)
11.

Which of the following will have a lower ionization energy than Scandium (Sc)?

a)

Helium (He)

b)

Silicon (Si)

c)

Calcium (Ca)

d)

Magnesium (Mg)

12.
Which atom has the largest atomic radius?
a)
potassium
b)
rubidium 
c)
francium
d)
cesium
13.

Electronegativity is...

a)

how good an atom is at attracting valence electrons

b)

the ability of an atom to lose electrons

c)

the energy required to remove an electron from a specific atom

d)

how easy it is to make friends.

14.

Which of the following will have a larger atomic radius than Zinc?

a)

Bromine

b)

Sulfur

c)

Carbon

d)

Strontium

15.
As you move down the periodic table atoms get bigger.  This is because ____________.
a)
The atoms have more mass.
b)
The atoms have more protons.
c)
The atoms have more energy levels
d)
The atoms have more neutrons
16.

As you move down group 2 on the periodic table, the electron affinity ____________.

a)

increases

b)

decreases

c)

The atoms have more energy levels

d)

stays the same

17.

As you move down the periodic table ions get bigger. This is because ____________.

a)

The atoms have more mass.

b)

The ions have more protons.

c)

The ions have more energy levels

d)

The ions have more neutrons

18.

As you move across the periodic table from K to Ge the cations get smaller. This is because ____________.

a)

The atoms have more mass.

b)

The cations have more protons.

c)

The cations have more energy levels

d)

The cations have more neutrons

19.

Which element has the greater electronegativity ?

a)

Ca

b)

Cl

c)

Co

d)

Cs

20.

When going from K to Kr on the periodic table. What is the trend for Ionization energy?

a)

increases, because more effective nuclear charge( more P+)

b)

decreases

c)

stays the same

d)

increases, because more Energy Levels, more shielding