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Learning Goal 4: Mastery Check

Total questions: 40

Worksheet time: 23mins

Name
Class
Date
1.
Which subatomic particle is found in the nucleus and has no charge?
a)
Proton
b)
Neutron
c)
Electron
2.
The major portion of an atom's mass consists of
a)
electrons and protons
b)
electrons and neutrons
c)
neutrons and protons
3.
Which statement describes the distribution of charge in an atom?
a)
A neutral nucleus is surrounded by one or more negatively charged electrons
b)
A neutral nucleus is surrounded by one or more positively charged electrons
c)
A positively charged nucleus is surrounded by one or more negatively charged electrons
d)
A positively charged nucleus is surrounded by one or more positively charged electrons
4.
Electrons in the outermost energy level are called...
a)
neutral electrons
b)
valence electrons
c)
inside electrons
5.

What is the mass number of an atom that has 10 protons, 20 neutrons, and 15 electrons?

a)

20

b)

25

c)

35

d)

30

6.
Which statement provides information about the identity of the element?
a)

The atom has 7 protons

b)

The atom has 7 neutrons

c)

The difference between the number of neutrons and protons is 7

7.

Every Hydrogen atom has

a)

2 electrons

b)

0 neutrons

c)

an atomic number of 1

d)

a mass of 1

8.

The atomic number of an elment is 120. How many electrons are there in an atom of of this element?

a)

120

b)

12

c)

60

d)

Not enough information is provided

9.
Which group contains the noble gas family?
a)
Group 1
b)
Group 2
c)
Group 17
d)
Group 18
10.
Which elements are as reactive as Alkali Metals?
a)
Alkaline Earth Metals
b)
Halogens
c)
Nobel Gases
d)
Transition Metals
11.
Elements that have the same number of valence electrons are
a)
in the same period
b)
are in the same group
c)
are called transition metals
12.
How many periods does the periodic table have?
a)
18
b)
7
c)
9
d)
8
13.

Which element has 4 energy levels and 8 valence electrons?

a)

Hydrogen (H)

b)

Potassium (K)

c)

Neon (Ne)

d)

Krypton (Kr)

14.
Zinc (Zn) is
a)
a metal
b)
a nonmetal
c)
a metalloid
15.
Hydrogen (H) is
a)
a metal
b)
a nonmetal
c)
a metalloid
16.
True or False: When the highest occupied energy level of an atom is filled with electrons, the atom is stable and not likely to react.
a)
True
b)
False
17.
Which family is NON-Reactive?
a)
Alkali Metals
b)
All nonmetals
c)
Noble Gases
18.
Which element is the most reactive halogen?
a)
Hydrogen (H)
b)
Fluorine (F)
c)
Iodine (I)
d)
Lithium (Li)
19.
Which element has the largest atomic radius?
a)
Potassium (K)
b)
Francium (Fr)
c)
Radium (Ra)
20.
The most reactive metals are found
a)
in the top left of the periodic table
b)
in the bottom left of the periodic table
c)
in the top middle of the periodic table
21.

Which subatomic particle is found in the nucleus and has a negative charge?

a)

Proton

b)

Neutron

c)

Electron

d)

the nucleus does not hold any negatively charged particles

22.

Which subatomic particle is found in the nucleus and has a positive charge?

a)

Proton

b)

Neutron

c)

Electron

d)

the nucleus does not hold any positively charged particles

23.

Mass Number - Atomic Number =

a)

number of neutrons

b)

number of protons

c)

number of electrons

d)

the charge of the atom

24.

Atomic mass is

a)

protons + neutrons

b)

protons + neutrons + electrons

c)

electrons + protons

25.

Place the steps in order to create a bohr model

a)

add correct number or protons and neutrons to nucleus

b)

draw energy level

c)

place 2 electrons on energy level

d)

draw another energy level

e)

place 8 electrons on energy level

1)
2)
3)
4)
5)
26.

Match the following

a)
1.

P

b)
2.

Si

c)
3.

O

d)
4.

Ne

e)
5.

H

27.

Which group contains the halogen family?

a)

Group 1

b)

Group 7

c)

Group 17

d)

Group 18

28.

Which group is the transition metals

a)

group 1-13

b)

group 3-13

c)

group 3-12

d)

group 13-18

29.

Which element has 2 energy levels and 8 valence electrons?

a)

Hydrogen (H)

b)

Potassium (K)

c)

Neon (Ne)

d)

Krypton (Kr)

30.

Which element has 1 energy level and 1 valence electrons?

a)

Hydrogen (H)

b)

Potassium (K)

c)

Neon (Ne)

d)

Krypton (Kr)

31.

What is formally known as the distance from the nucleus of an atom and to the valence shell?

a)

Atomic radius

b)

Electron Affinity

c)

Ionization Energy

d)

Electronegativity

32.

What are valence electrons?

a)

Electrons in the outermost energy level.

b)

Electrons closest to the nucleus.

c)

Electrons that identify the atom as that of a particular element.

d)

Electrons that release photons and move from a higher to lower energy level.

33.

Which atom in the list below has the largest atomic radius?

a)

Argon (Ar)

b)

Helium (He)

c)

Krypton (Kr)

d)

Radon (Rn)

34.

What term essentially means "the size of the atom"?

a)

chemical reactivity

b)

atomic radius

c)

nuclear shielding

d)

effective nuclear charge

35.

Which statement correctly and completely identifies a trend?

a)

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

b)

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

c)

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

d)

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

36.

Which of the following has the largest atomic radius following the predicted atomic radius trend?

a)

hydrogen (H)

b)

lithium (Li)

c)

rubidium (Rb)

d)

sodium (Na)

37.

Rank the following by increasing reactivity:

K, Mg, Na

a)

Mg, Na, K

b)

K, Mg, Na

c)

K, Na, Mg

d)

Na, Mg, K

38.

Rank the following by increasing reactivity:

Ar, As, Cl, P

a)

As, P, Cl, Ar

b)

Ar, Cl, P, As

c)

Cl, P, As, Ar

d)

Ar, As, P, Cl

39.

Rank the following by decreasing reactivity:

I, Kr, Sb, Te

a)

I, Te, Sb, Kr

b)

Kr, I, Te, Sb

c)

Kr, Sb, Te, I

d)

Sb, Te, I, Kr

40.

Rank the following by decreasing reactivity:

Hf, Rf, Ti, Zr

a)

Ti, Zr, Hf, Rf

b)

Rf, Hf, Zr, Ti

c)

Hf, Rf, Ti, Zr

d)

Zr, Ti, Rf, Hf

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