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Atomic Structre and the Periodic Table Flashcards | StudBud
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Atomic Structre and the Periodic Table
Atomic Structre and the Periodic Table
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A review of concepts in #physical science on the structure of the atom and the periodic table.
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
The p sublevel has how many orbitals?
Three
One
Five
Seven
2
Who discovered that the center of an atom had a positive charge?
J. J. Thomson
Neils Bohr
Ernest Rutherford
James Chadwick
3
How many protons are in an atom with a mass of 18 with 10 neutrons?
8
28
18
10
4
Which of the following is not a correct periodic trend that decreases going down a group?
Electronegativity
Atomic Radius
Valence Electrons
Ionization Energy
5
What scientific law states matter is not created or destroyed, it only changes form?
Conservation of Energy
Conservation of Particles
Conservation of Force
Conservation of Matter
6
What rule states sublevel orbitals will occupy all unoccupied orbitals before sharing orbitals?
Mendeleev's Rule
Aufbau Principle
Pauli Principle
Hund's Rule
7
In John Dalton's Atomic Theory, in a compound, atoms of different elements always combine how?
In ratios of 1/2
Twice as much
The same way
In ratios of 1/3
8
What subatomic particle has a mass of 1.0 amu and no charge?
Neutrons
Electrons
Protons
Positrons
9
What term means repeating according to some pattern?
Configuration
Octet
Periodic
Conservation
10
Which of the following is a correct periodic trend that decreases moving across a period?
Valence Electrons
Electron Affinity
Ionic Radius
Electronegativity
11
How many sublevels are in the 3rd energy level of an atom?
2
1
4
3
12
Which of the following is a correct pattern for filling electron configurations?
1s 2s 3s 3p 4s 4d
1s 2s 2p 3s 3p 4s 3d 4p
1s 2s 2p 3s 3p 4s 4p
1s 2s 2p 3s 4s 3p 4p
13
How many electrons are in Ca
2+
? (atomic number = 20)
18
16
20
22
14
What do we call a horizontal row on the periodic table?
Trend
Family
Group
Period
15
What do we call the dense central portion of an atom?
The Nucleus
The Citadel
The Cloud
The Neutron
16
What is the atomic mass for an atom with nine protons and nine neutrons?
19
18
9
81
17
How did Henry Moseley arrange his version of the modern periodic table?
Increasing Atomic Number
Increasing Neutron Number
Increasing Electron Configuration
Increasing Atomic Mass
18
What do we call the positively-charged subatomic particle located in the nucleus?
Positron
Proton
Electron
Neutron
19
Which of the following is not a usual property of metals?
Tend to be shiny.
Good conductor of heat and electricity
Brittle and cannot change shape
Solid at room temperature
20
What is the maximum number of electrons that can be placed in the 2nd energy level?
Two
Eight
Four
One
21
Dmitri Mendeleev organized the periodic table based on what?
Increasing Electron Configuration
Increasing Atomic Mass
Increasing Atomic Number
Increasing Neutron Number
22
How many neutrons are in Aluminum - 27 (atomic number = 13)
12
15
14
13
23
What do we call an atom that has lost electrons?
Cation
Noble
Anion
Isotope
24
Which of the following is a metalloid?
Germanium
Gallium
Phosphorus
Tin
25
What scientist proposed the location of electrons was outside the nucleus?
Neils Bohr
Ernest Rutherford
J. J. Thomson
James Chadwick
26
Which group of elements have a single valence electron and are extremely reactive?
Halogens
Alkali Metals
Transition Metals
Noble Gases
27
What do we call the method of placing valence electrons around the symbol of an element?
Configuratory Alignment
Noble Gas Configuration
Hund's Principle
Lewis Dot
28
What element is the lightest nonmetal?
Lithium
Hydrogen
Beryllium
Helium
29
What do we call the electrons in the outermost region of an atom?
Nuclear
Orbital
Sublevels
Valence
30
The representation, [Ar]4s
1
is the shorthand writing for which element?
Krypton
Chlorine
Sodium
Potassium
