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Periodic Table and Atomic Structure/History Review Flashcards | StudBud
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Periodic Table and Atomic Structure/History Review
Periodic Table and Atomic Structure/History Review
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8th Grade Periodic Table, Atomic Structure, and Atomic Theory Review
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
The elements in group 1 are called ______
Halogen
Transition Metals
Noble Gas
Alkali Metals
2
The elements in groups 3 - 12 are called ______
Transition Metals
Halogen
Alkali Metals
Noble Gas
3
What part of the atom is represented by the red and blue circles?
Proton
Neutron
Nucleus
Electron
4
What can you determine from this diagram?
The element has 5 valence electrons
The element has 5 proton
The element is Nitrogen
The element has 5 electrons
5
Group 2, Period 3 is which element?
Sodium
Magnesium
Chlorine
Silicon
6
Horizontal rows on the periodic table are called _____?
Elements
Families
Groups
Periods
7
Vertical columns on the periodic table are called _____?
Elements
Families
Groups
Periods
8
How many valence electrons does Oxygen have?
6 Valence Electrons
8 Valence Electrons
2 Valence Electrons
16 Valence Electrons
9
What does the number 12 represent in this element's periodic table diagram?
Number of Neutrons
Atomic Mass
Atomic Number
Number of Protons
10
Which element has 12 Neutrons, 11 Protons, and 11 Electrons?
Boron
Carbon
Sodium
Polonium
11
An element is known to have 2 energy orbital and 7 valence electrons. What element is it?
Sulfur
Chlorine
Magnesium
Floruine
12
How many valence electrons does Lead (Pb) have?
14 Valence Electrons
8 Valance Electrons
4 Valence Electrons
82 Valence Electrons
13
When you change the number of neutrons in an atom, it becomes that element's _____?
Neighbor
Atom
Isotope
Ion
14
Electrons always have what kind of charge?
No Charge
Negative
Isotope
Postive
15
Which pair of elements have the most similar chemical properties?
Mg, Kr
Li, Rb
Na, Br
Al, He
16
What subatomic particles are represented by the green circles?
Element
Electriod
Electron
Proton
17
What does the atomic mass represent?
Number of Neutrons, Protons, and Electrons
Number of Electrons and Neutrons
Number of Electron and Protons
Number of Protons and Neutrons
18
An element that is a good conductor of heat and is malleable is known as a
Metalliod
Noble Gas
Metal
Non - Metal
19
The elements in group 17 are called ______
Halogen
Transition Metals
Noble Gas
Alkali Metals
20
Which type of elements make up the majority of the Periodic Table?
Metalliods
Metals
Non-Metals
21
Who created the atomic model shown here?
J.J Watt
Ernest Rutherford
Niels Bohr
John Dalton
22
The isotope Ca - 42 has how many protons, neutrons, and electrons?
20 Protons, 42 Neutrons, 42 Electrons
20 Protons, 20 Neutrons, 20 Electrons
21 Protrons, 21 Neutrons, 21 Electrons
20 Protons, 22 Neutrons, 20 Electrons
23
Who created the atomic model shown here?
J.J Thompson
John Dalton
Niels Bohr
Ernest Rutherford
24
Elements in Period 3 have:
3 Energy Orbitals
3 Valence Electrons
3 Protons and Electrons
Ph level of 3
25
What element has 18 protons?
Neon
Argon
Sodium
Hyrdogen
