Zusammenfassung der Ressource
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Select all the correct answers
The atomic number is used in determining...
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Drag and drop the answers below in the appropriate place describing the characteristics of the Helium element
[blank_start]Atomic number[blank_end]: 2
[blank_start]Atomic Mass[blank_end]: 4.00
[blank_start]Symbol[blank_end]: He
[blank_start]Name of element[blank_end]: Helium
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Atomic number
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Atomic Mass
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Symbol
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Name of element
Frage 3
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The protons and electrons are found in the nucleus of an atom
Frage 4
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Which of the following correctly defines valence electrons
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The number of protons in the nucleus
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The number of electrons around the nucleus
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The number of electrons on the last electron shell
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The number of neutrons in the nucleus
Frage 5
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Which of the following pieces of information found on the periodic table can help us determine the number of electrons found in the element?
Frage 6
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Select from the drop down menus, the correct information regarding Magnesium.
Number of protons: [blank_start]12[blank_end]
Number of electrons: [blank_start]12[blank_end]
Number of neutrons: [blank_start]12[blank_end]
Number of electon shells: [blank_start]3[blank_end]
Number of valence electrons: [blank_start]2[blank_end]
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12
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2
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3
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24
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12
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3
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2
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24
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12
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2
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3
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24
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3
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2
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12
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24
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2
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3
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12
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24
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Which one of the following elements has 5 neutrons?
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Beryllium
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Carbon
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Boron
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Lithium
Frage 8
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Give the symbol of the element that has the following characteristics:
The element with the atomic number of 93 is [blank_start]Np[blank_end]
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Give the symbol of the element that has the following characteristics:
The element on period 2 and is a part of group 4A is [blank_start]C[blank_end]
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Give the symbol of the element that has the following characteristics:
The element that has 5 electrons around its nucleus is [blank_start]B[blank_end]