Question 1

Ca is the symbol for ________.

Accepted Answer

A) calcium 
B) carbon 
C) cobalt 
D) copper 
E) cadmium 
A) calcium 
B) carbon 
C) cobalt 
D) copper 
E) cadmium

Question 2

The atomic number of an atom is equal to the number of ________.

Accepted Answer

A) nuclei 
B) neutrons 
C) neutrons plus protons 
D) electrons plus protons 
E) protons 
A) nuclei 
B) neutrons 
C) neutrons plus protons 
D) electrons plus protons 
E) protons

Question 3

The number of dots in the electron dot symbol of nitrogen is ________.

Accepted Answer

A) one 
B) two 
C) three 
D) four 
E) five 
A) one 
B) two 
C) three 
D) four 
E) five

Question 4

Chromium is a metal.

Accepted Answer

A) True 
 B)False

Question 5

What is the element with the electron arrangement 2,8,7?

Accepted Answer

A) Be 
B) Cl 
C) F 
D) S 
E) Ar 
A) Be 
B) Cl 
C) F 
D) S 
E) Ar

Question 6

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 7

Select the correct symbol for the element potassium.

Accepted Answer

A) P 
B) Po 
C) Pt 
D) K 
E) Ko 
A) P 
B) Po 
C) Pt 
D) K 
E) Ko

Question 8

How many valence electrons are in the electron-dot symbols for the elements in group 3A (13)?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 6 
A) 1 
B) 2 
C) 3 
D) 4 
E) 6

Question 9

The mass number of an atom can be calculated from ________.

Accepted Answer

A) the number of electrons 
B) the number of protons plus neutrons 
C) the number of protons 
D) the number of electrons plus protons 
E) the number of neutrons 
A) the number of electrons 
B) the number of protons plus neutrons 
C) the number of protons 
D) the number of electrons plus protons 
E) the number of neutrons

Question 10

Write the electron arrangement for the atom shown.
-The symbol for silver is ________.

Accepted Answer

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

Question 11

The metallic character of elements ________.

Accepted Answer

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

Question 12

Write the electron arrangement for the atom shown.
-The symbol for sulfur is ________.

Accepted Answer

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

Question 13

Write the electron arrangement for the atom shown.
-The symbol for mercury is ________.

Accepted Answer

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

Question 14

The atomic size of atoms ________.

Accepted Answer

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

Question 15

Which of the following elements is a metal?

Accepted Answer

A) nitrogen 
B) fluorine 
C) argon 
D) strontium 
E) phosphorus 
A) nitrogen 
B) fluorine 
C) argon 
D) strontium 
E) phosphorus

Question 16

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 17

The atomic number of sodium is 23.

Accepted Answer

A) True 
 B)False

Question 18

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 19

The electron arrangement of any particular atom shows ________.

Accepted Answer

A) the number of isotopes possible 
B) a description of the shape of each electron energy level 
C) the number of electrons in each energy level 
D) a diagram of an atomic nucleus 
E) the maximum number of electrons each energy level can hold 
A) the number of isotopes possible 
B) a description of the shape of each electron energy level 
C) the number of electrons in each energy level 
D) a diagram of an atomic nucleus 
E) the maximum number of electrons each energy level can hold

Question 20

Which of the following properties is not a characteristic of the Group 1A (1)elements (alkali metals)?

Accepted Answer

A) They are shiny. 
B) They are good conductors of heat. 
C) They react vigorously with water. 
D) Most of them are liquids at room temperature. 
E) They are good conductors of electricity. 
A) They are shiny. 
B) They are good conductors of heat. 
C) They react vigorously with water. 
D) Most of them are liquids at room temperature. 
E) They are good conductors of electricity.

Ca is the symbol for ________.

The atomic number of an atom is equal to the number of ________.

The number of dots in the electron dot symbol of nitrogen is ________.

Chromium is a metal.

What is the element with the electron arrangement 2,8,7?

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

Select the correct symbol for the element potassium.

How many valence electrons are in the electron-dot symbols for the elements in group 3A (13)?

The mass number of an atom can be calculated from ________.

Write the electron arrangement for the atom shown. -The symbol for silver is ________.

The metallic character of elements ________.

Write the electron arrangement for the atom shown. -The symbol for sulfur is ________.

Write the electron arrangement for the atom shown. -The symbol for mercury is ________.

The atomic size of atoms ________.

Which of the following elements is a metal?

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

The atomic number of sodium is 23.

Which of the following elements is a metalloid?

The electron arrangement of any particular atom shows ________.

Which of the following properties is not a characteristic of the Group 1A (1)elements (alkali metals)?

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Exam 4: Atoms and Elements

Ca is the symbol for ________.

The atomic number of an atom is equal to the number of ________.

The number of dots in the electron dot symbol of nitrogen is ________.

Chromium is a metal.

What is the element with the electron arrangement 2,8,7?

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

Select the correct symbol for the element potassium.

How many valence electrons are in the electron-dot symbols for the elements in group 3A (13)?

The mass number of an atom can be calculated from ________.

Write the electron arrangement for the atom shown. -The symbol for silver is ________.

The metallic character of elements ________.

Write the electron arrangement for the atom shown. -The symbol for sulfur is ________.

Write the electron arrangement for the atom shown. -The symbol for mercury is ________.

The atomic size of atoms ________.

Which of the following elements is a metal?

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

The atomic number of sodium is 23.

Which of the following elements is a metalloid?

The electron arrangement of any particular atom shows ________.

Which of the following properties is not a characteristic of the Group 1A (1)elements (alkali metals)?

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

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