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Covalent bonding and Molecule practice

Authored by Jayesh Rao

Chemistry

9th - 11th Grade

NGSS covered

Used 1+ times

Covalent bonding and Molecule practice
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

According to VSPER, what is the molecular shape for the Lewis structure shown? Why?

tetrahedral, because it has three bonding pairs of electrons on the central atom

trigonal pyramidal, because it has three bonding pairs of electrons and one lone pair of electrons on the central atom

bent, because it has a lone pair of electrons on the center atom

trigonal planar, because it has three bonding pairs of electrons on the central atom

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the electronegativity difference between the N-Cl bond? Is the bond polar or non polar?

0, polar

0 non polar

3.0 ionic

3.0 non polar

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the molecule polarity?

non polar

polar

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the molecule polarity for the molecule shown?

polar

non polar

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which two elements are most likely to form a covalent bond?

C and Ca

P and F

Sr an S

Li and Cl

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes a polar molecule to form?

Electrons spending more time around one side of a molecule causing + and - charges to form.

Protons spending more time around one side of a molecule causing + and - charges to form.

Electrons spend equal time around both sides of a molecule causing no charges to form

Protons spend equal time around both sides of a molecule causing no charges to form

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Draw the best Lewis structure for the covalent compound NF3 including all bonds and lone pair electrons.

A

B

C

D

E

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