Question 1

Radon is a metal.

Accepted Answer

A) True 
 B)False

Question 2

Sulfur is a nonmetal.

Accepted Answer

A) True 
 B)False

Question 3

Write in the electronic configuration for the atom shown.
-Magnesium

Accepted Answer

The answer of Write in the electronic configuration for the...

Question 4

What elements are in hydroxyapatite, Ca5 (PO₄)3OH, a major compound in human bones and teeth?

Accepted Answer

A) carbon, potassium, oxygen, hydrogen 
B) calcium, phosphorus, oxygen, hydrogen 
C) carbon, phosphorus, oxygen, helium 
D) calcium, phosphorus, oxygen, helium 
E) carbon, potassium, oxygen, helium 
A) carbon, potassium, oxygen, hydrogen 
B) calcium, phosphorus, oxygen, hydrogen 
C) carbon, phosphorus, oxygen, helium 
D) calcium, phosphorus, oxygen, helium 
E) carbon, potassium, oxygen, helium

Question 5

Of the elements: B, C, F, Li, and Na, the element with the smallest atomic radius is

Accepted Answer

A) B. 
B) C. 
C) F. 
D) Li. 
E) Na. 
A) B. 
B) C. 
C) F. 
D) Li. 
E) Na.

Question 6

Semiconductors are located in the periodic table on (or in) the

Accepted Answer

A) left side of the table. 
B) right side of the table. 
C) line dividing metals from nonmetals in the table. 
D) first period of the table. 
E) last period of the table. 
A) left side of the table. 
B) right side of the table. 
C) line dividing metals from nonmetals in the table. 
D) first period of the table. 
E) last period of the table.

Question 7

Of the elements: B, C, F, Li, and Na. The element with the most metallic character is

Accepted Answer

A) B. 
B) C. 
C) F. 
D) Li. 
E) Na. 
A) B. 
B) C. 
C) F. 
D) Li. 
E) Na.

Question 8

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

Accepted Answer

A) 1s22s22p63s23p7 
B) 1s22s22p6 3s23p53d2 
C) 1s22s22p83s23p5 
D) 1s22s22p63s23p64s1 
E) 1s22s22p63s23p54s1 
A) 1s22s22p63s23p7 
B) 1s22s22p6 3s23p53d2 
C) 1s22s22p83s23p5 
D) 1s22s22p63s23p64s1 
E) 1s22s22p63s23p54s1

Question 9

What is the element with the abbreviated electron configuration [Kr]5s24d8?

Accepted Answer

A) Ni 
B) Pd 
C) Pt 
D) Kr 
E) Xe 
A) Ni 
B) Pd 
C) Pt 
D) Kr 
E) Xe

Question 10

Iodine is a metal.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following electron configurations is impossible?

Accepted Answer

A) 1s22s22p63s23p1 
B) 1s22s42p63s23p3 
C) 1s22s22p63s23p5 
D) 1s22s22p63s23p6 
E) 1s22s22p63s23p3 
A) 1s22s22p63s23p1 
B) 1s22s42p63s23p3 
C) 1s22s22p63s23p5 
D) 1s22s22p63s23p6 
E) 1s22s22p63s23p3

Question 12

What is the correct electron configuration for the lithium atom?

Accepted Answer

A) 1s3 
B) 2s1 
C) 1s12s2 
D) 1s22s1 
E) 1s22s5 
A) 1s3 
B) 2s1 
C) 1s12s2 
D) 1s22s1 
E) 1s22s5

Question 13

Chlorine has more metallic character than fluorine.

Accepted Answer

A) True 
 B)False

Question 14

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 15

The symbol for gold is Au.

Accepted Answer

A) True 
 B)False

Question 16

The elements lithium, sodium, and potassium

Accepted Answer

A) are isotopes of each other. 
B) are in the same period of elements. 
C) have the same number of neutrons. 
D) are in the same group. 
E) have the same mass number. 
A) are isotopes of each other. 
B) are in the same period of elements. 
C) have the same number of neutrons. 
D) are in the same group. 
E) have the same mass number.

Question 17

The symbol for potassium is P.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following is the correct electron-dot structure for carbon?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 19

Isotopes are atoms of the same element that have

Accepted Answer

A) different atomic numbers. 
B) the same atomic numbers but different numbers of protons. 
C) the same atomic numbers but different numbers of electrons. 
D) the same atomic number but different numbers of neutrons. 
E) the same atomic mass but different numbers of protons. 
A) different atomic numbers. 
B) the same atomic numbers but different numbers of protons. 
C) the same atomic numbers but different numbers of electrons. 
D) the same atomic number but different numbers of neutrons. 
E) the same atomic mass but different numbers of protons.

Question 20

How many valence electrons are in the electron-dot structures 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

Exam 4: Atoms

Radon is a metal.

Sulfur is a nonmetal.

Write in the electronic configuration for the atom shown. -Magnesium

What elements are in hydroxyapatite, Ca5 (PO₄)3OH, a major compound in human bones and teeth?

Of the elements: B, C, F, Li, and Na, the element with the smallest atomic radius is

Semiconductors are located in the periodic table on (or in) the

Of the elements: B, C, F, Li, and Na. The element with the most metallic character is

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

What is the element with the abbreviated electron configuration [Kr]5s24d8?

Iodine is a metal.

Which of the following electron configurations is impossible?

What is the correct electron configuration for the lithium atom?

Chlorine has more metallic character than fluorine.

Which of the following elements is a metal?

The symbol for gold is Au.

The elements lithium, sodium, and potassium

The symbol for potassium is P.

Which of the following is the correct electron-dot structure for carbon?

Isotopes are atoms of the same element that have

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

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What elements are in hydroxyapatite, Ca₅(PO₄)₃OH, a major compound in human bones and teeth?

What is the element with the abbreviated electron configuration [Kr]5s²4d⁸?