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Pre Test Polarity

Authored by Joann cruzjoannp@gmail.com

Chemistry

11th Grade

Used 43+ times

Pre Test Polarity
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

____ refers to the ability of an atom in a molecule to attract shared electrons.

Electron affinity

Electronegativity

Ionization energy

Electromotive force

2.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Which of the following statements is TRUE about polar bonds?

They are present in metals.

They are responsible for the formation of ionic compounds.

They always result to the formation of polar molecular compounds.

They may result to nonpolar covalent compounds depending on molecular geometry.

3.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What type of chemical bond holds the atoms of water molecule together?

Hydrogen bond

Ionic bond

Polar covalent bond

Nonpolar covalent bond

4.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Which of the following molecule is nonpolar?

NaCl

HCl

CO2

NH3

5.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What is the electronegativity difference of C - O?

0

0.5

1.0

1.5

6.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

Supposedly a hypothetical molecule has an electronegativity difference of 0.5,

what is the type of chemical bond present?

Ionic

Hydrogen

Polar covalent

Nonpolar covalent

7.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

What is the molecular shape of BeF3?

Linear

Trigonal

Tetrahedral

Trigonal bipyramidal

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