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WorksheetsScience-Atoms
Total questions: 54
Worksheet time: 32mins
Atoms cannot be divided by ordinary means.
True
False
Atoms are the _________ of all matter.
Indivisible
prettiest
Building block
Nucleus
During the __________ scientists began to develop a theory as to how atoms work.
1600s
1700s
1800s
1900s
The center of the atom is
The neutron
The nucleus
The proton
The electron
There are ______ elements that occur naturally
80
98
100
150
Electrons have a _________ charge.
Negative
Positive
Neutral
which part of an atom is most like a cloud?
Proton
Neutron
electron
Nucleus
Atoms have the same number of
Protons/electron
Ions/bond
Neutrons/nuetral
What do protons, electrons and neutrons make?
element
compound
atom
What is the smallest piece of matter that still has properties of that matter?
element
atom
proton
Negatively charged particle
proton
neutron
electron
Neutral charge particle
proton
neutron
electron
Positively charge particle
proton
neutron
electron
Atomic weight
number of protons and neutrons inside the nucleus
number or electrons or protons
number of protons, neutrons and electrons
Atomic number is
Number of protons or electrons
Number of protons and neutrons
Your phone number
What does the number 11 stand for in the Sodium block?
atomic number
atomic weight
Stranger Things
What does the K stand for in the Potassium block?
Atomic number
Atomic weight
Symbol for the atom
What does the 40.08 stand for in the Calcium block?
Atomic number
Atomic weight
Atomic symbol
The smallest particle into which an element can be divided and still be the same element is a(n)
proton
neutron
electron
atom
Which subatomic particle has a positive charge?
proton
nuetron
electron
atom
Which subatomic particle has a negative charge?
proton
neutron
electron
atom
Which subatomic particle has a neutral (0) charge?
proton
nuetron
electron
atom
Why is the overall charge of an atom neutral (0)?
They have the same number of protons and neutrons.
They have the same number of protons and electrons.
They have the same number of electrons and neutrons.
Which TWO of the following subatomic particles are inside the nucleus?
protons
electrons
neutrons
There are no subatomic particles in the nucleus of an atom.
The number of which subatomic particle determines the element of an atom (if it's carbon, oxygen, nitrogen, etc.)?
proton
neutron
electron
Subatomic particles do no determine the element of an atom.
Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)
lithium
oxygen
magnesium
carbon
Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)
carbon
lithium
beryllium
nitrogen
Use a periodic table to help you determine the element in the image. (Hint: Use the # of protons.)
boron
beryllium
neon
lithium
How many protons does fluorine have?
19
1
9
10
How many neutrons does nitrogen have?
7
14
0
6
How many electrons does silicon have?
28
14
0
10
Using the diagram as a reference, how many electrons does lithium have in its OUTER shell?
1
3
8
2
Using the diagram as a reference, how electrons does carbon have in its OUTER shell?
2
6
4
1
Using the diagram as a reference, how electrons does neon have in its OUTER shell?
10
8
2
6
