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