FREE CHEMISTRY AND STUDY GAMES ABOUT CHEMISTRY

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FREE CHEMISTRY AND STUDY GAMES ABOUT CHEMISTRY

- CHAP 7 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -83 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: The prefix mona-

Answer:

Nine Question 2: An anion that has one fewer oxygen atom than the -ite anion has is given the prefix

Answer:

hypo- Question 3: Write formula for: potassium sulfide

Answer:

K2S Question 4: Name the binary ionic compounds indicated by: CaBr2

Answer:

calcium bromide

Question 5: Rather than gain or lose electrons, atoms of carbon and silicon form

Answer:

covalent bonds in which they share electrons with other atoms Question 6: Write the formula and give the name for the compounds formed between: Pb2+ and CI-

Answer:

PbCI2, lead (II) chloride Question 7: Give the names for the compounds: SnI4

Answer:

tin (IV) iodide Question 8: Give the names for the compounds: CoF3

Answer:

cobalt (III) fluoride

Question 9: The name of the ion with the greater number of oxygen atoms ends in

Answer:

-ate Question 10: Write the formula and give the name for the compounds formed between: Fe2+ and O2-

Answer:

FeO, iron (II) oxide Question 11: When writing the formulas for binary ionic compounds the charges of the ions are

Answer:

Not included in the formula Question 12: Write formula for: potassium perchlorate

Answer:

KCIO4

Question 13: Where is the Roman numeral placed in the Stock System when indicating a charge

Answer:

The numeral is enclosed in parentheses and placed immediately after teh metal name Question 14: Write formula for: Sodium carbonate

Answer:

Na2CO3 Question 15: An anion that has one more oxygen atom than the -ate anion has is given the prefix

Answer:

per- Question 16: Name the binary ionic compounds indicated by: SrF2

Answer:

strontium fluoride

Question 17: Names of metals that commonly form only one cation do not include

Answer:

a Roman Numeral Question 18: Give the names for the compounds: FeS

Answer:

iron (II) sulfide Question 19: Write formula for: copper (II) sulfate

Answer:

CuSO4

Question 20: KCIO

Answer:

potassium hypochlorite

Question 21: Name the binary ionic compounds indicated by: AgCI

Answer:

silver chloride

Question 22: Chemical formula indicates

Answer:

The relative number of atoms of each kind in a chemical compound Question 23: The name of the ion with the smaller number of oxygen atoms ends in

Answer:

-ite

Question 24: Polyatomic ions that contain oxygen

Answer:

oxyanions Question 25: Name the binary ionic compounds indicated by: ZnO

Answer:

zinc oxide

Question 26: Compounds composed of two elements are known as

Answer:

binary compounds Question 27: Write the formula for the binary ionic compound: Magnesium and chlorine

Answer:

MgCl2

Question 28: The ionic compounds consists of

Answer:

Lattice of positive and negative ions held together by mutual attraction