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WorksheetsAtomic Structure
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
Subatomic particles with a negative charge
a)
Electrons
b)
Neutrons
c)
Protons
d)
Quarks
2.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
3.
Measure mainly of the nuclear particles: protons + neutrons
a)
Subatomic Particles
b)
Atomic Number
c)
Atomic Mass
d)
Gluons
4.
Value representing the number of protons in an element
a)
Atomic Mass
b)
Mass Number
c)
Valence Electrons
d)
Atomic Number
5.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus
d)
Electrons
6.
The smallest particle of an element that shows all the properties of that element.
a)
Subatomic Particles
b)
Atom
c)
Quarks
d)
Gluons
7.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
8.
The smallest particle of an element.
a)
Element
b)
Molecule
c)
Atom
9.
A substance that cannot be broken down into other substances by chemical or physical means.
a)
Covalent bond
b)
Atom
c)
Element
10.
A combination of two or more atoms
a)
Period
b)
Molecule
c)
Atom
d)
Family
11.
What is one way Neutrons are different from electrons?
a)
they both are negative
b)
neutrons have no charge, while electrons have a negative charge
c)
Both are in the nucleus( center of atom)
d)
Electrons are inside nucleus and neutrons are outside the nucleus.
12.
What is the atomic number?
a)
35
b)
18
c)
17
d)
52
13.
How many protons and electrons does this element have?
a)
35
b)
18
c)
17
d)
52
14.
How many neutrons does Chlorine have?
a)
18
b)
17
c)
35
d)
52
15.
What is the atomic mass of Neon?
a)
10
b)
20
c)
30
16.
What do we call a substance consisting of a single atom?
a)
coefficient
b)
element
c)
compound
d)
molecule
17.
All ____________ are made up of two or more atoms bonded together.
a)
atoms
b)
molecules
c)
electrons
d)
elements
18.
The following is a picture of a...
a)
Atom
b)
Compound
c)
Element
d)
None of the abov
19.
Is the following a picture of a simple compound or an extended structure?
a)
Simple compound
b)
Extended structure
20.
Is the following picture a simple compound or extended structure?
a)
Simple Compound
b)
Extended Structure
c)
Neither
21.
The following is a...
a)
Atom
b)
Molecule-Element
c)
Molecule- Compound
d)
None of the above
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