Question 1

The isotope   has A = _____ and Z = _____.

Accepted Answer

The answer of The isotope   has A =...

Question 2

Which atom has the smallest atomic radius?

Accepted Answer

A) K 
B) Ga 
C) Br 
D) Rb 
A) K 
B) Ga 
C) Br 
D) Rb

Question 3

The element symbol S represents sodium.

Accepted Answer

A) True 
 B)False

Question 4

The electron configuration for calcium is 1s22s22p63s23p64s2.

Accepted Answer

A) True 
 B)False

Question 5

An atom with A = 21 and Z = 10 is an isotope of an atom with A = 20 and Z = 10.

Accepted Answer

A) True 
 B)False

Question 6

All elements have at least two naturally occurring isotopes.

Accepted Answer

A) True 
 B)False

Question 7

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 8

A bromine atom is smaller than a potassium atom.

Accepted Answer

A) True 
 B)False

Question 9

Which element is an s block element?

Accepted Answer

A) S 
B) Ar 
C) He 
D) La 
E) None of these elements is an s block element. 
A) S 
B) Ar 
C) He 
D) La 
E) None of these elements is an s block element.

Question 10

How many electrons are in the isotope   ?

Accepted Answer

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

Question 11

When orbitals are equal in energy, one electron is added to each orbital until the orbitals are half-filled, before any orbital is completely filled.

Accepted Answer

A) True 
 B)False

Question 12

The name of the halogen in period 3 is _____.

Accepted Answer

The answer of The name of the halogen in period...

Question 13

A column in the periodic table is called a period.

Accepted Answer

A) True 
 B)False

Question 14

How many protons are in the isotope   ?

Accepted Answer

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

Question 15

The element symbol for manganese is

Accepted Answer

A) M 
B) Ma 
C) Mg 
D) Mn 
A) M 
B) Ma 
C) Mg 
D) Mn

Question 16

Fl is the element symbol for fluorine.

Accepted Answer

A) True 
 B)False

Question 17

The atomic weight of an element is the sum of the masses of the naturally occurring isotopes of the element.

Accepted Answer

A) True 
 B)False

Question 18

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 19

Helium is an s block element.

Accepted Answer

A) True 
 B)False

Question 20

Bromine is abbreviated by the two-letter symbol BR.

Accepted Answer

A) True 
 B)False

Exam 2: Atoms and the Periodic Table

The isotope has A = _____ and Z = _____.

Which atom has the smallest atomic radius?

The element symbol S represents sodium.

The electron configuration for calcium is 1s22s22p63s23p64s2.

An atom with A = 21 and Z = 10 is an isotope of an atom with A = 20 and Z = 10.

All elements have at least two naturally occurring isotopes.

How many neutrons are in the isotope ?

A bromine atom is smaller than a potassium atom.

Which element is an s block element?

How many electrons are in the isotope ?

When orbitals are equal in energy, one electron is added to each orbital until the orbitals are half-filled, before any orbital is completely filled.

The name of the halogen in period 3 is _____.

A column in the periodic table is called a period.

How many protons are in the isotope ?

The element symbol for manganese is

Fl is the element symbol for fluorine.

The atomic weight of an element is the sum of the masses of the naturally occurring isotopes of the element.

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

Helium is an s block element.

Bromine is abbreviated by the two-letter symbol BR.

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

Digestion and the Conversion of Food Into Energy

Carbohydrate, Lipid, and Protein Metabolism

Filters

The isotope has A = _ and Z = _.

The electron configuration for calcium is 1s²2s²2p⁶3s²3p⁶4s².