Question 1

The element symbol for iron is Fe.

Accepted Answer

A) True 
 B)False

Question 2

The electrons in the outermost shell of an atom are called the ________ electrons.

Accepted Answer

The answer of The electrons in the outermost shell of...

Question 3

Radium is a noble gas.

Accepted Answer

A) True 
 B)False

Question 4

Which element is not an alkali metal?

Accepted Answer

A) Li 
B) Kr 
C) Rb 
D) Na 
E) All of these elements are alkali metals. 
A) Li 
B) Kr 
C) Rb 
D) Na 
E) All of these elements are alkali metals.

Question 5

Which statement concerning the elements fluorine,chlorine,bromine,and iodine is INCORRECT?

Accepted Answer

A) These elements are all halogens. 
B) These elements all have the same valence shell. 
C) These elements are all nonmetals. 
D) These elements all have the same number of valence electrons. 
A) These elements are all halogens. 
B) These elements all have the same valence shell. 
C) These elements are all nonmetals. 
D) These elements all have the same number of valence electrons.

Question 6

All metals are solids at room temperature.

Accepted Answer

A) True 
 B)False

Question 7

Fluorine has higher ionization energy than neon.

Accepted Answer

A) True 
 B)False

Question 8

The electron configuration for calcium is 1s22s22p63s23p64s2.

Accepted Answer

A) True 
 B)False

Question 9

Magnesium is a metal.

Accepted Answer

A) True 
 B)False

Question 10

A sulfur atom has a larger atomic radius than an oxygen atom. Which statement best explains why?

Accepted Answer

A) Sulfur contains more electrons than oxygen does. 
B) Sulfur contains more protons than oxygen does. 
C) The valence shell of sulfur is farther away from the nucleus than the valence shell of oxygen is. 
D) The larger number of protons in an oxygen atom pulls its electrons closer to the nucleus than a sulfur atom. 
A) Sulfur contains more electrons than oxygen does. 
B) Sulfur contains more protons than oxygen does. 
C) The valence shell of sulfur is farther away from the nucleus than the valence shell of oxygen is. 
D) The larger number of protons in an oxygen atom pulls its electrons closer to the nucleus than a sulfur atom.

Question 11

An atom of the isotope chlorine-37 consists of how many protons,neutrons,and electrons? (p = proton,n = neutron,e = electron)

Accepted Answer

A) 18 p,37 n,18 e 
B) 17 p,20 n,17 e 
C) 17 p,20 n,18 e 
D) 37 p,37 n,17 e 
E) 37 p,20 n,37 e 
A) 18 p,37 n,18 e 
B) 17 p,20 n,17 e 
C) 17 p,20 n,18 e 
D) 37 p,37 n,17 e 
E) 37 p,20 n,37 e

Question 12

How many neutrons are in the isotope   ?

Accepted Answer

A) 238 
B) 146 
C) 92 
D) 330 
A) 238 
B) 146 
C) 92 
D) 330

Question 13

Tungsten is a metal containing 74 protons that is widely used in the electronics industry. What is the elemental symbol for tungsten?

Accepted Answer

The answer of Tungsten is a metal containing 74 protons...

Question 14

Fl is the element symbol for fluorine.

Accepted Answer

A) True 
 B)False

Question 15

What is the atomic number of the isotope with the symbol   ?

Accepted Answer

A) 17 
B) 18 
C) 35.45 
D) 37 
A) 17 
B) 18 
C) 35.45 
D) 37

Question 16

The maximum number of electrons that can occupy the 3d subshell is ten (10).

Accepted Answer

A) True 
 B)False

Question 17

Electrons are negatively charged and have the smallest mass of the three subatomic particles.

Accepted Answer

A) True 
 B)False

Question 18

The number of electrons that an orbital can contain depends on the type of orbital.

Accepted Answer

A) True 
 B)False

Question 19

Which element is a nonmetal?

Accepted Answer

A) K 
B) Co 
C) Br 
D) Al 
A) K 
B) Co 
C) Br 
D) Al

Question 20

The chemical reactivity of an element is determined by which of the following?

Accepted Answer

A) The number of protons in an atom of the element 
B) The number of valence electrons in an atom of the element 
C) The number of neutrons in an atom of the element 
D) The number of protons and neutrons in an atom of the element 
A) The number of protons in an atom of the element 
B) The number of valence electrons in an atom of the element 
C) The number of neutrons in an atom of the element 
D) The number of protons and neutrons in an atom of the element

Exam 2: Atoms and the Periodic Table

The element symbol for iron is Fe.

The electrons in the outermost shell of an atom are called the ________ electrons.

Radium is a noble gas.

Which element is not an alkali metal?

Which statement concerning the elements fluorine,chlorine,bromine,and iodine is INCORRECT?

All metals are solids at room temperature.

Fluorine has higher ionization energy than neon.

The electron configuration for calcium is 1s22s22p63s23p64s2.

Magnesium is a metal.

A sulfur atom has a larger atomic radius than an oxygen atom. Which statement best explains why?

An atom of the isotope chlorine-37 consists of how many protons,neutrons,and electrons? (p = proton,n = neutron,e = electron)

How many neutrons are in the isotope ?

Tungsten is a metal containing 74 protons that is widely used in the electronics industry. What is the elemental symbol for tungsten?

Fl is the element symbol for fluorine.

What is the atomic number of the isotope with the symbol ?

The maximum number of electrons that can occupy the 3d subshell is ten (10).

Electrons are negatively charged and have the smallest mass of the three subatomic particles.

The number of electrons that an orbital can contain depends on the type of orbital.

Which element is a nonmetal?

The chemical reactivity of an element is determined by which of the following?

Matter and Measurement

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids,esters,and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Carbohydrate,lipid,and Protein Metabolism

Filters

The electron configuration for calcium is 1s²2s²2p⁶3s²3p⁶4s².