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