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Atoms, Elements, and Periodic Table Flashcards | StudBud
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Atoms, Elements, and Periodic Table
Atoms, Elements, and Periodic Table
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1
Atom
Mass-Protons
Smallest particle
Neutral, inside nucleus
2
Find neutrons
Mass-Protons
Neutral, inside nucleus
Smallest particle
3
Who Created the Bohr Model of the Atom?
James Chadwick
Niels Bohr
Taylor Swift
Justin Beiber
4
This is a Bohr model of which element?
Neon
Carbon
Oxygen
Hydrogen
5
Consider the chart describing the element. According to the chart, the element is _______ with an atomic number of _____
lithium; 5
lithium; 3
lithium; 8
6
Which of the atoms shown has an atomic number of 10?
B
D
C
A
7
what is a periodic table
a table of the chemical elements arranged in order of atomic
😁
noun Chemistry
8
Protons=
Neitrons
Atomic number
Masses of Atoms
9
The atomic number is considered a unique atom and element identifier. Describe the associated subatomic particle, and ho
As the atom absorbs photons
The number of electrons changes in a unique way as the charge on the atom
The proton number remains constant through changing the atomic charge
10
The atomic number, or ________ number, is the described as the number of _________ in the nucleus of an chemical element
photon, photon
neutron, neutrons
proton, protons
11
The periodic table organizes elements according to INCREASING
valence number
energy level
atomic number
12
What Did Bohr Refer to The Energy Levels As?
Crust
Rims
Shells
Borders
13
what is the Bohr diagram?
A diagram that shows all the neutrons
An irrelevant diagram
A diagram that shows all the electrons
A diagram that shows all the protons
14
In a neutral atom, the number of protons _____________ the number of electrons.
zero
greater than
equal to
less than
15
How many valence electrons are in this bohr model of Hydrogen?
1
0
16
Helium, neon, and argon are examples of
non-metals
noble gases
metals
17
In writing an element's symbol the first letter is always ________________ and the second letter is ____________________
capital, lowercase
lowercase, capital
capital, capital
18
Protons
Mass-Protons
Positive, inside nucleus
Protons + Neutrons
19
Electrons are modeled using a "cloud" around the nucleus because they
travel at the speed of light.
exist in many places at once.
an not be precisely located.
20
What determines the name of an element?
bonding
atomic mass
atomic number
atomic letters
21
Chlorine atoms and Sodium atoms are the same.
False
True
22
An atomic nucleus is composed of
PROTONS AND ELECTRONS
PROTONS AND NEUTRONS
PROTONS ONLY
23
Element
Found on Periodic Table
Protons + Neutrons
Smallest particle
24
Valence electrons
All of the above
Share electron
Gain electron
Lose electron
25
13 protons and 18 electrons is considered what type of ion?
negative
positive
neutral
26
Elements are recognized by their chemical symbols, Which of the following is not an element?
Mg
Fe
O
OH
27
Neutrons
Mass-Protons
Neutral, inside nucleus
Protons + Neutrons
28
Find mass (regular)
Mass-Protons
Protons + Neutrons
Neutral, inside nucleus
29
Mg represents the element
magnesium.
molybdenum.
30
Everything is made out of atoms.
I don't know
Wrong
Maybe
Correct
31
How is the periodic table organized?
Name
friendships
protons
32
Atoms can be created AND can be destroyed.
False
True
33
What are valence electrons?
the electrons in the outermost energy level
the electrons in the innermost energy level
