Vocabulary Atoms True or False Fill in the blank Atomic Structure
100
smallest particle into which an element can be divided
Atom
100
What is a positively charged particle located in the nucleus of an atom
Proton
100
An atom has no mass
False
100
in greek the word atoms mean
Atoms
100
protons 29 What is the atomic mass
neutrons 35
Electrons 29
64
200
An abbreviation or short representation of a chemical element
Chemical symbol
200
Sum of the number of protons and neutrons in the nucleus of an atom
atomic mass
200
To find the atomic mass we add the protons and electrons
False
200
An atom has the _____ number of protons and electrons
same
200
Protons 5
Neutrons 6
What is the electrons
5
300
negatively charged particle located in a cloudlike formation that surrounds the nucleus
Electron
300
outer shell of the atom
Valence electron
300
Electrons are located in an electron cloud
True
300
Protons and neutron are packed_______ in the nucleus
tightly
300
atomic mass 23
Electrons 11
What is the protons?
11
400
positively charged mass within an atom, composed of neutrons and protons.
Nucleus
400
Same as the number of positive charges or protons in the nucleus of an atom of a given element
atomic number
400
There are 120 known element
True
400
protons, electrons, and neutrons have _________charges
different
400
Atomic mass 27
protons 13
Electrons 13 What is the neutrons
14
500
Pure substance that can't be separated into simpler substance by physical or changes
Element
500
AMU means
Atomic mass unit
500
Atomic number equal atomic mass
False
500
the plus and minus charges of an atom ________each other
cancel out
500
Atomic number 15
Neutrons 16
What is the protons
15






atoms and elements

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