Question : 31)In which of the following sequences of elements do all : 1309567

 

 

31)In which of the following sequences of elements do all members of the sequence have chemical symbols starting with the same letter?

a)sulfur, silicon, sodium

b)gold, silver, aluminum

c)potassium, phosphorus, lead

d)more than one correct response

e)no correct response

 

 

 

32)Which of the following statements concerning the chemical symbols for the elements is correct?

a)All chemical symbols start with the first letter of the element’s English name.

b)Most elements have two-letter chemical symbols.

c)Synthetic elements have one-letter symbols and naturally-occurring elements have two-letter symbols.

d)More than one correct response.

e)No correct response.

 

 

 

33)Which of the following pairings of terms/concepts is correct?

a)atom; limit of physical subdivision

b)molecule; limit of chemical subdivision

c)compound; homoatomic molecule

d)more than one correct response

e)no correct response

 

 

 

34)In which of the following pairs of chemical formulas do both members of the pair have the same number of atoms per molecule?

a)NaSCN and H2CO3

b)CoCl2 and COCl2

c)H3N and NH3

d)more than one correct response

e)no correct response

 

 

 

35)In which of the following sequences of chemical formulas do all members of the sequence fit the description “heteroatomic and triatomic”?

a)HCN, H2O and O3

b)CO2, NO2 and N2O

c)S2O, SO2, and SO3

d)more than one correct response

e)no correct response

 

 

 

Use the following to answer the questions below:

 

In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true-false status of the statements using the choices.

a) All three statements are true.

b) Two of the three statements are true.

c) Only one of the statements is true.

d) None of the statements is true.

36)Statements:

(1) No more than two visibly distinct phases may be present in a homogeneous mixture.

(2) Elements are chemically rather than physically combined in a compound.

(3) A common characteristic for both solids and liquids is a definite volume.

a)All three statements are true.

b)Two of the three statements are true.

c)Only one of the statements is true.

d)None of the statements is true.

 

 

 

37)Statements:

(1) The determination of a physical property of a substance causes no change in the identity of the substance.

(2) Matter is anything that has mass, occupies space, and can be seen by the naked eye.

(3) The two most abundant elements in the Earth’s crust are oxygen and carbon.

a)All three statements are true.

b)Two of the three statements are true.

c)Only one of the statements is true.

d)None of the statements is true.

 

 

 

(1) A basis for distinguishing between an element and a compound is whether the substance can be decomposed into other substances using chemical means.

(2) Current chemical theory strongly suggests that all naturally occurring elements have been identified.

(3) The elements silver, gold, and aluminum all have chemical symbols that start with the letter A.

a)All three statements are true.

b)Two of the three statements are true.

c)Only one of the statements is true.

d)None of the statements is true.

 

 

 

39)Statements:

(1) The first letter in a chemical symbol is always the same as the first letter in the element’s name.

(2) Two element’s account for over 75 percent of the atoms in the Earth’s crust.

(3) The limit of chemical subdivision for a compound is a molecule.

a)All three statements are true.

b)Two of the three statements are true.

c)Only one of the statements is true.

d)None of the statements is true.

 

 

 

40)Statements:

(1) The classification “triatomic molecule” denotes molecules in which three different elements are present.

(2) Common physical properties for a substance include color, melting point, boiling point, flammability, and hardness.

(3) The chemical formulas HN3 and NH3 represent two ways for denoting the same compound.

a)All three statements are true.

b)Two of the three statements are true.

c)Only one of the statements is true.

d)None of the statements is true.

 

 

 

 

Place your order
(550 words)

Approximate price: $22

Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
$26
The price is based on these factors:
Academic level
Number of pages
Urgency
Basic features
  • Free title page and bibliography
  • Unlimited revisions
  • Plagiarism-free guarantee
  • Money-back guarantee
  • 24/7 support
On-demand options
  • Writer’s samples
  • Part-by-part delivery
  • Overnight delivery
  • Copies of used sources
  • Expert Proofreading
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

Read more

Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

Read more

Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Read more

Privacy policy

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

Read more

Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Read more