Lewis Model
VSEPR
Electrons
Electronegativity
Polarity
100

Predict the formula for a compound between Na and O

What is Na2O

100

VSEPR is an acronym that represents

What is Valence Shell Electron Pair Repulsion

100

A dashed line represents...

What is two electrons

100

Electronegativity is...

What is the ability of elements to attract electrons

100

Oil and water form layers because oil is _________ and water is ___________.

What is nonpolar, and polar

200

Predict the formula for a compound between Ca and S

What is CaS

200

What is the electron geometry for CH4

 What is Tetrahedral

200

A lone pair is shown in a lewis structure as

What is two dots around an element symbol

200

Which is the most electronegative element on the periodic table

What is Fluorine

200

Soaps work to wash grease of your hands by...

What is having a polar head to attract to water and a nonpolar tail to attract to the grease.

300

Sketch the correct structure for O2

..   ..

O=O

..   ..

300

What is the molecular geometry for SF2?

What is bent

300

What is the total amount of electrons to be counted for NO3 -1

What is 24 electrons

300

Pure covalent: 0.0-0.4

polar covalent:0.4-2.0

ionic: 2.0+

S (2.5) and O (3.5)

What is polar covalent

300

Polar or nonpolar, CH4

What is nonpolar

400

How many bonding pairs are in the Lewis structure CO2

What is 4 bonding pairs

400

What is the angle between electron groups in a tetrahedral?

What is 109.5

400

What is the total number of electrons to be counted for NH4+1

What is 8 electrons

400

Pure covalent: 0.0-0.4

polar covalent:0.4-2.0

ionic: 2.0+

Mg (1.2) and Br (2.8)


What is ionic.

400

Polar or nonpolar, F2

What is nonpolar

500

How many bonding pairs and lone pairs are in the Lewis structure NH3?

What is 3 bonding pairs, and 1 lone pair

500

What is the molecular geometry if you have 3 single bonds and 1 lone pair?

What is trigonal pyramidal

500

Write an electron configuration for an element with 18 electrons.

What is 1s22s22p63s23p6

500

List these elements in order of increasing electronegativity. Al, N, Cs, Cl

What is Cs, Al, N, Cl

500

Polar or nonpolar, CH3Cl

What is polar.