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Atoms and Extended Molecules

Total questions: 15

Worksheet time: 10mins

Name
Class
Date
1.

Two or more atoms held together by chemical bonds

a)

pure substance

b)

molecule

c)

compound

d)

element

2.

Choose all that apply for complex molecules

a)

contain only a few atoms bonded together

b)

may contain thousand of atoms

c)

often form a repeating pattern

d)

only made up of one type of atom

3.

The structure of a complex molecules' particles

a)

bonded together in a repeating pattern

b)

loosely bonded in random pattern

4.

What do models of molecules and extended structures show? Select all that apply

a)

number of atoms

b)

type of atoms

c)

arrangement of atoms

d)

bonds between atoms

5.

A substance in which the particles are arranged in an orderly, geometric, and repeating pattern is called a(n)

a)

molecule

b)

crystal

c)

octagon

d)

compound

6.

Two substances can be made up of the same type of atom, yet have completely different properties

a)

True

b)

False

7.
A vertical column is called...
a)
group
b)
tower
c)
period
d)
crew
8.
The number at the bottom of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
chemical symbol
d)
element name
9.

Diamonds are a pure form of what element?

a)

Carbon

b)

Oxygen

c)

Silicon

d)

Silver

10.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
11.

The atoms along the zig-zag line are called

a)

metals

b)

nonmetals

c)

metalloids

d)

noble gases

12.
A vertical column in the periodic table.  Elements share similar properties.
a)
row
b)
group
c)
period
13.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
14.
Which of the following is an example of a physical property?
a)
flammability
b)
toxicity
c)
reactiviy with water
d)
Melting Point
15.
What is a particle made of 2 or more atoms?
a)
molecule
b)
matter
c)
atom
d)
element