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Worksheets

Orbitals

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Bonds don't form into neat little lines, they form from ___

a)

balls on sticks

b)

overlapping electron clouds

c)

two-dimensional orbits

d)

velcro-like forces

2.

If you get down there and understand what they look like, chemical bonds are like clumpy globs of ___

a)

marshmallow

b)

sticky toffee

c)

probable electron locations

d)

sticks and branches

3.

Which moon of Jupiter contains so much water that its entire surface is just ice?

a)

Io

b)

Europa

c)

Ganymede

d)

Callisto

4.

What is the molecular shape of water?

a)

linear

b)

bent

c)

tetrahedral

d)

trigonal planar

5.

Bonded atoms within a molecule generally like to be ___

a)

as close together as possible

b)

highly electronegative

c)

partially positive

d)

as far from each other as possible

6.

If water was suddenly nonpolar, all life on Earth would ___

a)

instantly die

b)

freeze

c)

continue as normal

d)

flourish

7.

Electrons are both ___

a)

cables and cords

b)

particles and waves

c)

standing waves and sitting waves

d)

fields and flows

8.

What math function describes the probability that an electron is in a certain place at any moment?

a)

a wave function

b)

a linear function

c)

a quadratic function

d)

a square root

9.

What is the simplest wave function, describing a spherical pattern of standing waves?

a)

the s orbital

b)

the p orbital

c)

the d orbital

d)

the f orbital

10.

To allow patterns with more electrons, the standing wave can have different numbers of ___

a)

nubins

b)

nodes

c)

notches

d)

charges

11.

What is the maximum number of electrons in an atomic orbital?

a)

one

b)

two

c)

four

d)

eight

12.

What is the electron configuration of hydrogen?

a)

1s1 (one electron in its s orbital)

b)

1s2 (two electrons in its s orbital)

c)

1p1 (one electron in its p orbital)

d)

1p2 (two electrons in its p orbital)

13.

Which orbitals are dumbbell shaped and oriented along the x, y, and z axes?

a)

s orbitals

b)

p orbitals

c)

d orbitals

d)

f orbitals

14.

Which families of elements are part of the s-block on the periodic table?

a)

alkali metals and alkali earth metals

b)

transition metals

c)

halogens and noble gases

d)

lanthanides and actinides

15.

Which elements are part of the d-block on the periodic table?

a)

the alkali metals and alkali earth metals

b)

the transition metals

c)

the halogens and noble gases

d)

the lanthanides and actinides

16.

Which orbitals, filled by the lanthanides and actinides, have "ridiculously cool geometries"?

a)

g orbitals

b)

p orbitals

c)

d orbitals

d)

f orbitals

17.

The s and the p orbitals can merge into ___

a)

unmixed sp regions

b)

homogenous ps shells

c)

seperated sp fluctuations

d)

hybrid sp orbitals

18.

What shape is formed by sp3 hybridization?

a)

linear

b)

triganal planar

c)

tetrahedral

d)

octahedral

19.

Water is locked into a tetrahedral electron arrangement, including two bond pairs and two ___

a)

lone pairs

b)

free electrons

c)

secluded hydrogens

d)

isolated orbitals

20.

If a molecule forms a double bond, the atoms form three sp2 hybridized orbitals along with ___

a)

a hybridized p orbital

b)

an unhybridized p orbital

c)

an unhybridized sp orbital

d)

a hybridized sp orbital

21.

What are the bond angles between sp2 hybrid orbitals in a trigonal planar molecule?

a)

60°

b)

90°

c)

120°

d)

150°

22.

When sp2 orbitals merge together nicely in line with the nuclei it's called a ___

a)

sigma bond

b)

pi bond

c)

delta bond

d)

alpha bond

23.

Unhybridized p orbitals, sticking out above and below the nuclei, merge to form a ___

a)

sigma bond

b)

pi bond

c)

delta bond

d)

alpha bond

24.

How many double bonds are in carbon dioxide?

a)

one

b)

two

c)

three

d)

four

25.

What structure is formed when two d orbitals hybridize with sp3 orbitals, to get d2sp3 orbitals?

a)

a bent structure

b)

a trigonal plane

c)

tetrahedral structure

d)

octahedral structure