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WorksheetsAtoms and Elements - Lesson Review
Total questions: 29
Worksheet time: 22mins
1. Which of the following is made up of particles of matter?
a baseball bat
a rubber tire
a human being
all of the above
2. Which of the following describes an element?
an individual part of a complex whole
all the particles and all the matter in existence
one of five different building blocks of the natural world
a unique particle of matter that is a fundamental building block of matter
Which of the following is NOT true of atoms?
Atoms make up the different elements.
Every object in the world is made of atoms.
Some atoms can be seen with a magnifying glass.
An individual particle of an element is called an atom.
4. Atomic mass is the mass of
a single atom.
all the atoms in an element.
any object made out of atoms.
any number of atoms combined.
5. The periodic table of elements is a
table that organizes elements by their atomic number
list of all known compounds
chart showing the states of matter
collection of all known molecules
6. What is the smallest unit of an element?
Compound
atom
Ion
molecule
What is in the picture?
Element
Compound
What is in the picture?
Element
Compound
What's in the picture?
Element
Compound
What's in the picture?
Element
Compound
What's in the picture?
Element
Compound
What's in the picture?
Element
Compound
What's in the picture?
Element
Compound
8. What is the charge of a proton?
negative
neutral
positive
varies depending on the element
8. What is the charge of a neutron?
negative
neutral
positive
varies depending on the element
8. What is the charge of an electron?
negative
neutral
positive
varies depending on the element
8. What is the charge of an atom in its stable state?
negative
neutral
positive
varies depending on the element
9. Which particle is found in the nucleus of an atom?
A. electron
B. neutron
C. proton
both B and C
A table that lists all of the known elements and groups them into columns by important shared properties __________________________
Periodic Table
Reactivity Chart
Mendeleev's table
Multiplication Table
10. What is the main purpose of the periodic table?
To list all known chemical reactions
to organize elements based on their properties
To provide a guide for chemical formulas
To show the history of chemistry
What area is in the center of an atom?
an electron
a nucleus
a particle
a proton
In the modern periodic table, elements are listed according to ___________.
increasing atomic mass
increasing atomic number
the order they were discovered
How big is the nucleus
A shorthand notation of one, two, or three letters that represent the name of the element is ____________
Atomic Number
Atomic mass
Chemical Symbol
Element's name
How many electrons does the Potassium have?
40
39
19
20
How many neutrons does the Potassium have?
40
20
41
21
What is the atomic mass of Gold?
79
183.84
What is the atomic Number of Titanium?
22
47.867
What is the name of the element?
Fe
Iron
What is the chemical Symbol of the element?
Silver
Ag
Si
