Ch 19, Chemical Bonds Quiz

Choose the word or phrase that best answers the question: Which elements are least likely to react with other elements?

• metals

• noble gases

• nonmetals

• transition elements

Choose the word or phrase that best answers the question: What is the oxidation number of Fe in the compound Fe2S3?

• 1+

• 2+

• 3+

• 4+

Choose the word or phrase that best answers the question: What is the name of CuO?

• copper oxide

• copper(I) oxide

• copper(II) oxide

• copper(III) oxide

Choose the word or phrase that best answers the question: What is the formula for copper(II) chlorate?

• CuClO3

• CuCl

• Cu(ClO3)2

• CuCl2

Choose the word or phrase that best answers the question: Which of the following formulas represents a nonpolar molecule?

• N2

• H2O

• NaCl

• HCl

Choose the word or phrase that best answers the question: How many electrons are in the outer energy level of Group 17 elements?

• 1

• 2

• 17

• 7

Tags

NGSS.HS-PS1-1

Choose the word or phrase that best answers the question: Which is a binary ionic compound?

• O2

• NaF

• H2SO4

• Cu(NO3)2

Choose the word or phrase that best answers the question: Which of these is an example of an anhydrous compound?

• H2O

• CaSO4

• CuSO4 · 5H2O

• CaSO4 · 2H2O

Choose the word or phrase that best answers the question: Which of the following is an atom that has gained an electron?

• negative ion

• positive ion

• polar molecule

• nonpolar molecule

Choose the word or phrase that best answers the question: Which of these is an example of a covalent compound?

• sodium chloride

• calcium fluoride

• calcium chloride

• sulfur dioxide