Summative 6.1 and 6.2, Accelerated Chem

Last updated over 5 years ago

11 questions

Note from the author:

1

HS-PS1-3

1

HS-PS1-7

1

HS-PS1-3

1

HS-PS1-1

1

HS-PS1-1

1

HS-PS1-1

1

HS-PS1-2

2

HS-PS1-1

3

HS-PS1-2

2

HS-PS1-1

3

HS-PS1-2

Naming covalent compounds and drawing Lewis dot structures

What type of compound is characterized by low melting points and the inability to conduct electricity?

Covalent

Ionic

Which of the following is a covalent compound?

SiO2

NaCl

CaCl2

Fe2O3

Hydrogen has an electronegativity value of 2.1, while Oxygen has a value of 3.0. Based on electronegativity values, the bond in H2O would be classified as what?

Polar covalent

Pure covalent

Ionic

Group 2 metals all have similar numbers of valence electrons, what would be the correct generic electron dot diagram for group 2?

How many valence electrons are in the compound dihydrogen monoxide?

2

6

8

12

How many valence electrons are in the hydroxide ion? (hint: charge)

2

6

7

8

What would be the correct lewis structure for PCl3?

For the compound, NH3, calculate the number of valence electrons.

For the compound, NH3, draw the Lewis dot structure.

For the nitrate ion, calculate the number of valence electrons. (Hint: charge)

For the nitrate ion, draw the Lewis dot sturcture.

What type of compound is characterized by low melting points and the inability to conduct electricity?

Covalent

Ionic

Which of the following is a covalent compound?

SiO2

NaCl

CaCl2

Fe2O3

Hydrogen has an electronegativity value of 2.1, while Oxygen has a value of 3.0.  Based on electronegativity values, the bond in H2O would be classified as what?

Polar covalent

Pure covalent

Ionic

Group 2 metals all have similar numbers of valence electrons, what would be the correct generic electron dot diagram for group 2?

How many valence electrons are in the compound dihydrogen monoxide?

2

6

8

12

How many valence electrons are in the hydroxide ion? (hint: charge)

2

6

7

8

What would be the correct lewis structure for PCl3?