WorksheetsAtoms, Elements, and the Periodic Table
Total questions: 27
Worksheet time: 14mins
Name
Class
Date
1.
What part of the atom contains two charges, the protons and neutrons?
a)
atom
b)
electron cloud
c)
nucleus
2.
What charge is negative?
a)
proton
b)
neutron
c)
electron
d)
nucleus
3.
What do scientists use to help us better understand the atom?
a)
clouds
b)
models
c)
charges
4.
Which is true about electrons?
a)
They are positively charged particles inside the nucleus.
b)
They are negatively charged particles in the nucleus.
c)
They are negatively charged particles outside of the nucleus.
d)
They are found outside of the atom.
5.
Why is it misleading to say the atom is the smallest piece of matter?
a)
there are other particles inside of the atom
b)
scientists are still conducting research to determine if this is true
c)
the smallest piece of matter is the atom.
6.
What is the simplest form of a substance?
a)
atom
b)
compound
c)
element
d)
periodic table
7.
How many elements occur naturally in nature?
a)
118
b)
lesson than 50
c)
lesson than 80
d)
less than 100
8.
How can we identify an element?
a)
based on its atomic number only
b)
based on its location on the periodic table and its atomic number
c)
by seeing how it reacts to other substances.
d)
by its reaction to water
9.
What do we know about the relationship between protons, electrons, and the atomic number?
a)
They are all the same
b)
They are added together to make the atomic mass
c)
They are different
d)
The equation to calculate is mc-h(w)
10.
Which metallic property is this true about: malleable?
a)
metal
b)
nonmetal
c)
metaloid
11.
Which metallic property is this true about: not a good conductor of heat and/or electricity?
a)
metal
b)
nonmetal
c)
metalloid
12.
Which metallic property is this true about: usually brittle
a)
metal
b)
nonmetal
c)
metalloid
13.
Which metallic property is this true about: sits on the zig zag line and has properties that fall between metals and nonmetals.
a)
metal
b)
nonmetal
c)
metalloid
14.
Which metallic property is this true about: good conductor of heat and electricity?
a)
metal
b)
nonmetal
c)
metalloid
15.
Which metallic property is this true about: cannot be hammered into sheets or pulled into wires?
a)
metal
b)
nonmetal
c)
metalloid
16.
Who organized the Periodic Table of Elements?
a)
Democritis
b)
John Dalton
c)
Demitri Menedelev
d)
JJ Thompson
17.
Which is not true about the Periodic Table of Elements?
a)
Organized in columns and rows
b)
put in alphabetical order
c)
Placed in order of increasing atomic number
d)
Organized by metals, nonmetals, and metalloids
18.
What does the H stand for?
a)
Element symbol
b)
Element Name
c)
Atomic Number
d)
State of Matter
19.
What does the number in the left hand corner represent?
a)
Element Symbol
b)
Element Name
c)
Atomic Number
d)
State of Matter
20.
What does the blue colored tile represent?
a)
Element Symbol
b)
Element Name
c)
Atomic Number
d)
State of Matter
21.
What does the word hydrogen represent?
a)
Element Symbol
b)
Element Name
c)
Atomic Number
d)
State of Matter
22.
Who stated in 1803 that all atoms were small solid spheres?
a)
Democritus
b)
John Dalton
c)
JJ Thomson
d)
NIels Bohr
23.
What proposed the electron cloud model for the atomic model?
a)
John Dalton
b)
Erwin Shrodinger and Werner Heisenberg
c)
Ernest Rutherford
d)
Niels Bohr
24.
Who stated that most of the mass was located in the center of the atom?
a)
JJ Thomson
b)
Democritus
c)
Niels Borh
d)
Ernest Rutherford
25.
Who stated that all matter was made up of invisible particles called atoms?
a)
Democritus
b)
John Dalton
c)
JJ Thomson
d)
Erwin Shrodinger and Werner Heisenberg
26.
Who stated that electrons traveled in fixed orbits called shells?
a)
Niels Bohr
b)
JJ Thomson
c)
Ernest Rutherford
d)
John Dalton
27.
Who stated that atoms had a positively charged sphere with negatively charged particles in them?
a)
Democritus
b)
John Dalton
c)
JJ Thomson
d)
Ernest Rutherford
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