Question 1

The proton has a positive charge.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following gives the correct numbers of protons,neutrons,and electrons in a neutral atom of   Sn?

Accepted Answer

A) 118 protons,50 neutrons,118 electrons 
B) 118 protons,118 neutrons,50 electrons 
C) 50 protons,68 neutrons,50 electrons 
D) 68 protons,68 neutrons,50 electrons 
E) 50 protons,50 neutrons,50 electrons 
A) 118 protons,50 neutrons,118 electrons 
B) 118 protons,118 neutrons,50 electrons 
C) 50 protons,68 neutrons,50 electrons 
D) 68 protons,68 neutrons,50 electrons 
E) 50 protons,50 neutrons,50 electrons

Question 3

The atomic size of atoms ________.

Accepted Answer

A) increases going across a period 
B) decreases going across a period 
C) decreases going down within a group 
D) does not change going across a period 
E) none of the above 
A) increases going across a period 
B) decreases going across a period 
C) decreases going down within a group 
D) does not change going across a period 
E) none of the above

Question 4

An argon atom 18 electrons in the third energy level.

Accepted Answer

A) True 
 B)False

Question 5

Valence electrons are electrons located ________.

Accepted Answer

A) in the outermost energy level of an atom 
B) in the nucleus of an atom 
C) in the innermost energy level of an atom 
D) throughout the atom 
E) in the first three shells of an atom 
A) in the outermost energy level of an atom 
B) in the nucleus of an atom 
C) in the innermost energy level of an atom 
D) throughout the atom 
E) in the first three shells of an atom

Question 6

Consider a neutral atom with 30 protons and 34 neutrons.The mass number for this atom is ________.

Accepted Answer

A) 30 
B) 32 
C) 34 
D) 64 
E) 94 
A) 30 
B) 32 
C) 34 
D) 64 
E) 94

Question 7

Which of the following elements is a noble gas?

Accepted Answer

A) oxygen 
B) chlorine 
C) bromine 
D) argon 
E) nitrogen 
A) oxygen 
B) chlorine 
C) bromine 
D) argon 
E) nitrogen

Question 8

Write the electron arrangement for the atom shown.
-Sulfur

Accepted Answer

The answer of Write the electron arrangement for the atom...

Question 9

Write the electron arrangement for the atom shown.
-Phosphorus

Accepted Answer

The answer of Write the electron arrangement for the atom...

Question 10

Match between columns
                        Premises: in the third energy level of sodium
in the first electron energy level of chlorine
in the outer energy level of nitrogen
in the highest occupied electron energy level of chlorine
in the second energy level of magnesium

Accepted Answer

The Answer of five and seven and one and eight is...

Question 11

What is the electron arrangement for potassium (atomic number 19)?

Accepted Answer

A) 2,8,9 
B) 2,8,7,2 
C) 2,10,7 
D) 2,8,8,1 
E) 2,8,6,3 
A) 2,8,9 
B) 2,8,7,2 
C) 2,10,7 
D) 2,8,8,1 
E) 2,8,6,3

Question 12

The number of electron energy levels in a magnesium atom is ________.

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 13

Write the symbol from the element name.
-The symbol for mercury is ________.

Accepted Answer

The answer of Write the symbol from the element name.
-The...

Question 14

Match between columns
                        Premises: O,S,Se
Li,C,F
F,S,P
He,H,I
Li,Na,K

Accepted Answer

The Answer of group and period and neither is...

Question 15

gold

Accepted Answer

A) Go 
B) Hg 
C) Ag 
D) Au 
E) AU 
A) Go 
B) Hg 
C) Ag 
D) Au 
E) AU

Question 16

Which of the following elements is a metalloid?

Accepted Answer

A) nitrogen 
B) lithium 
C) iron 
D) gold 
E) silicon 
A) nitrogen 
B) lithium 
C) iron 
D) gold 
E) silicon

Question 17

The smallest particle of an element that retains the characteristics of the element is a(n)________.

Accepted Answer

A) electron 
B) neutron 
C) proton 
D) atom 
E) nucleus 
A) electron 
B) neutron 
C) proton 
D) atom 
E) nucleus

Question 18

In an electron-dot symbol of an element,the dots are used to represent ________.

Accepted Answer

A) all of the electrons in the atom 
B) the valence electrons 
C) the electron arrangement 
D) only the electrons that will participate in bond formation 
E) the electrons that the element will gain when it forms a compound 
A) all of the electrons in the atom 
B) the valence electrons 
C) the electron arrangement 
D) only the electrons that will participate in bond formation 
E) the electrons that the element will gain when it forms a compound

Question 19

Consider a neutral atom with 30 protons and 34 neutrons.The number of electrons in this atom is ________.

Accepted Answer

A) 30 
B) 32 
C) 34 
D) 64 
E) 94 
A) 30 
B) 32 
C) 34 
D) 64 
E) 94

Question 20

Au is the symbol for ________.

Accepted Answer

A) gold 
B) silver 
C) argon 
D) aluminum 
E) sodium 
A) gold 
B) silver 
C) argon 
D) aluminum 
E) sodium

The proton has a positive charge.

Which of the following gives the correct numbers of protons,neutrons,and electrons in a neutral atom of Sn?

The atomic size of atoms ________.

An argon atom 18 electrons in the third energy level.

Valence electrons are electrons located ________.

Consider a neutral atom with 30 protons and 34 neutrons.The mass number for this atom is ________.

Which of the following elements is a noble gas?

Write the electron arrangement for the atom shown. -Sulfur

Write the electron arrangement for the atom shown. -Phosphorus

What is the electron arrangement for potassium (atomic number 19)?

The number of electron energy levels in a magnesium atom is ________.

Write the symbol from the element name. -The symbol for mercury is ________.

gold

Which of the following elements is a metalloid?

The smallest particle of an element that retains the characteristics of the element is a(n)________.

In an electron-dot symbol of an element,the dots are used to represent ________.

Consider a neutral atom with 30 protons and 34 neutrons.The number of electrons in this atom is ________.

Au is the symbol for ________.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

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Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

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Exam 4: Atoms and Elements

The proton has a positive charge.

Which of the following gives the correct numbers of protons,neutrons,and electrons in a neutral atom of Sn?

The atomic size of atoms ________.

An argon atom 18 electrons in the third energy level.

Valence electrons are electrons located ________.

Consider a neutral atom with 30 protons and 34 neutrons.The mass number for this atom is ________.

Which of the following elements is a noble gas?

Write the electron arrangement for the atom shown. -Sulfur

Write the electron arrangement for the atom shown. -Phosphorus

What is the electron arrangement for potassium (atomic number 19)?

The number of electron energy levels in a magnesium atom is ________.

Write the symbol from the element name. -The symbol for mercury is ________.

gold

Which of the following elements is a metalloid?

The smallest particle of an element that retains the characteristics of the element is a(n)________.

In an electron-dot symbol of an element,the dots are used to represent ________.

Consider a neutral atom with 30 protons and 34 neutrons.The number of electrons in this atom is ________.

Au is the symbol for ________.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

Filters