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HC 3.7e graded PT Ionization energy Raadius

Total questions: 24

Worksheet time: 1hrs 15mins

Name
Class
Date
1.
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 nuetrons
2.
As you move across the periodic table atoms tend to get smaller because, ______________.
a)
the atoms have more mass.
b)
the atoms have less mass
c)
the atoms have more protons.
d)
the atoms have less electrons.
3.
The atom with the largest atomic radius in Group 18 is - 
a)
Ar
b)
He
c)
Kr
d)
Rn
4.

Which statement correctly and completely identifies a trend?

a)

Atomic radius decreases across a period and increases down a group.

b)

Electronegativity decreases across a period and decreases down a group.

c)

Ionization energy increases across a period and increases down a group.

d)

Ionic radius increases across a period and increases down a group.

5.
Which periodic group has the smallest atomic radius?
a)

Alkali metals (Group 1)

b)

Halogens (Group 17)

c)

Noble Gases (Group 18)

d)

Transition metals (middle of table)

6.
Order the following in increasing atomic radii: 
Ra, Be, Ca, Rb, H
a)
Ra, Be, Rb, H, Ca
b)
Rb, H, Ca, Be, Ra
c)
Ra, Rb, Ca, Be, H
d)
H, Be, Ca, Rb, Ra
7.
The more protons there are, the  ____ .
a)

Weaker the pull by the protons

b)
Smaller the electrons
c)

Stronger the pull by the protons

d)
The bigger the electrons
8.
Which one has the largest radius?
a)
Lithium (Li, atomic #3)
b)
Boron (B, atomic #5)
c)
Neon (Ne, atomic #10)
d)
Nitrogen (N, atomic #7)
9.
Which of the following elements has the smallest atomic radius: Li, O, C, F?
a)
Li
b)
O
c)
C
d)
F
10.
Of the elements Ca, Be, Ba, and Sr, which has the largest atomic radius?
a)
Be
b)
Ba
c)
Ca
d)
Sr
11.

Put the following in order of increasing ionization energy:Neon (Ne), Lithium (Li), Carbon (C)

a)
Lithium, Carbon, Neon
b)
Carbon, Lithium, Neon
c)
Neon, Carbon, Lithium
d)
Lithium, Neon, Carbon
12.

Put the following in order of increasing ionization energy: Sodium (Na), Oxygen (O), Boron (B)

a)
Sodium, Boron, Oxygen
b)
Oxygen, Boron, Sodium
c)
Sodium, Oxygen, Boron
d)
Oxygen, Sodium, Boron
13.
Ionization energy is...
a)
the energy required to add an electron to a specific atom
b)
how much energy it takes to remove an electron from an atom
c)
the energy required to shield the outer electrons from the nucleus
d)
a measure of the ability of an atom to attract electrons
14.
What is ionization energy?
a)
Energy needed to destroy an atom
b)
Energy required to remove an electron
c)
Energy needed to split an electron
d)
Energy required to add an electron
15.

Which element has the greater ionization energy?

a)

Magnesium (Mg)

b)

Phosphorus (P)

c)

antimony (Sb)

d)

Aluminum (Al)

16.

Which element has the lowest ionization energy?

a)

Iodine (I)

b)

Chlorine (Cl)

c)

Fluorine (F)

d)

Bromine (Br)

17.
Which element has the greater ionization energy?
a)

Lead (Pb)

b)

Silicon (Si)

c)

Tin (Sn)

d)

Germanium (Ge)

18.
Which of these elements has the highest ionization energy?
a)
Lithium (Li)
b)
Potassium (K)
c)
Francium (Fr)
d)
Sodium (Na)
19.
Which of these elements has the lowest ionization energy?
a)
Oxygen (O)
b)
Boron (B)
c)
Carbon (C)
d)
Fluorine (F)
20.

Across a period, Ionization energy ____a____

Down a group, ionisation energy ____b_____

a)

a: increase

b: decrease

b)

a: increase

b: increase

c)

a: decrease

b: decrease

d)

a: decrease

b: increase

21.

When an atom gains an electron, the size of atom

a)

will increase

b)

will decrease

c)

will not change

22.

When an atom loses an electron the size of atom

a)

will increase

b)

will decrease

c)

will not change

23.

Cations have atomic radii that are larger than their atomic radii.

a)

True

b)

False

24.

Anions have atomic radii that are larger than their ionic radii.

a)

True

b)

False

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