As the elements in Period 3 are considered from left to right, they tend to

gain electrons more readily and increase in nonmetallic character

a. lose electrons more readily and increase in metallic character

b. lose electrons more readily and increase in nonmetallic character

c. gain electrons more readily and increase in metallic character

As the elements in Group 2 are considered in order of increasing atomic number, the atomic radius of each successive element increases. This increase is primarily due to an increase in the number of

a. occupied principal energy levels

b. electrons in the outermost shell

Two basic properties of the gas phase are

d. no definite shape and no definite volume

a. a definite shape and definite volume

b. a definite shape but no definite volume

c. no definite shape but a definite volume

What is represented by the dots in a Lewis electron-dot diagram of an atom of an element in Period 2 of the Periodic Table?

c. the number of valence electrons in the atom

a. the number of neutrons in the atom

b. the number of protons in the atom

d. the total number of electrons in the atom

What causes the emission of radiant energy that produces the characteristic spectral lines?

return of electrons to lower energy levels

a. neutron absorption by the nucleus

b. gamma ray emission from the nucleus

c. movement of electrons to higher energy levels

When a metal atom combines with a nonmetal atom, the nonmetal atom will

d. gain electrons and increase in size

a. lose electrons and decrease in size

b. lose electrons and increase in size

c. gain electrons and decrease in size

Covalent bonds are formed when electrons are

a. transferred from one atom to another

The atomic number of an atom is always equal to the total number of

c. neutrons plus protons in the atom

d. protons plus electrons in the atom

The atomic mass of an element is defined as the weighted average mass of that element's

c. naturally occurring isotopes

The nucleus is part of the atom that

d. contains most of the atom's total mass

a. consists mostly of empty space

c. occupies most of the atom's volume

What can be determine if only the atomic number of an atom is known?

d. the total number of protons and the total number of electrons in the atom

a. the total number of neutrons in the atom, only

b. the total number of protons in the atom, only

c. the total number of protons and the total number of neutrons in the atom

Which statement best describes the nucleus of an aluminum atom?

b. It has a charge of +13 and is surrounded by a total of 13 electrons

a. It has a charge of +13 and is surrounded by a total of 10 electrons

c. It has a charge of -13 and is surrounded by a total of 10 electrons

d. It has a charge of -13 and is surrounded by a total of 13 electrons

Chemistry--Final Exam Review

Chemistry

10th - 12th Grade

NGSS covered

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44 questions

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MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the volume in this buret?

24.1mL

24.3mL

24.2L

24.2mL

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The atomic mass of titanium is 47.88 atomic mass units. This atomic mass represents the

a. total mass of all of the protons and neutrons in the atom of Ti

b. total mass of all the protons, neutrons, electrons in an atom of Ti

c. weighted average mass of the most abundant isotope of Ti

d. weighted average mass of all the naturally occurring isotopes of Ti

MULTIPLE CHOICE QUESTION

1 min • 1 pt

More than two-thirds of the elements are classified as

a. nonmetals

b. metals

c. metalloids

d. noble gases

Tags

NGSS.HS-PS1-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The arrangement of the elements in the present Periodic Table is based on atomic

a. mass

b. number

c. radius

d. density

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Atoms of elements in a group on the Periodic Table have similar chemical properties. This similarity is most closely related to the atoms'

a. number of principal energy levels

b. number of valence electrons

c. atomic numbers

d. atomic masses

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The elements in the modern Periodic Table are arranged according to their

a. atomic number

b. oxidation number

c. atomic mass

d. nuclear mass

Tags

NGSS.HS-PS1-1

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In the ground state, atoms of the elements in Group 15 of the Periodic Table all have the same number of

a. filled principal energy levels

b. occupied principal energy levels

c. neutrons in the nucleus

d. electrons in the valence shell

Tags

NGSS.HS-PS1-1

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Chemistry--Final Exam Review

What is the volume in this buret?

The atomic mass of titanium is 47.88 atomic mass units. This atomic mass represents the

More than two-thirds of the elements are classified as

The arrangement of the elements in the present Periodic Table is based on atomic

Atoms of elements in a group on the Periodic Table have similar chemical properties. This similarity is most closely related to the atoms'

The elements in the modern Periodic Table are arranged according to their

In the ground state, atoms of the elements in Group 15 of the Periodic Table all have the same number of

Which list of elements contains two metalloids?

According to the Periodic Table, which element has more than one positive oxidation state (number)?

As the elements in Period 3 are considered from left to right, they tend to

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