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20 Cards in this Set
- Front
- Back
- 3rd side (hint)
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An element's period number is the same as the number of energy levels the element |
The period related pattern |
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The number of valence electrons in any main group element is the same as the group number |
The group related pattern |
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The mass number of an element represents the number of the following in the atom: A) protons B) protons and electrons C) electrons D) protons and neutrons |
D |
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Group 1 elements are known as: A) alkali metals B) alkaline earth metals C) noble gases |
A |
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Group 17 elements are known as: A) alkali elements B) halogens C) noble gases |
B |
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Isotopes of an atom differ because they have different: A) #s of electrons B) #s of protons C) #s of neutrons D) #s of electronegativity |
C |
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Which of the following describes the electric charge and mass number of a proton respectively? |
A) 0 and 1u B) +1 and 1u C) +1 and 2u D) -1 and 1u |
B |
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How many valence electrons would antimony have? |
5 |
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Which elemnt has the smallest atomic radius? A)Boron B)Carbon C)Aluminum |
B |
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Which has the largest ionization energy? A) fluorine B) Neon C) sulfur D) chlorine |
B |
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Which is polar covalent? A) AlF3 B) Mg3P2 C) MgO D) Al2O3 E) BaCl2 |
B |
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Atoms that have different numbers of neutrons |
Isotope |
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What is the mass of an electron? |
9.02×10^-28 |
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The force within a molecule |
Intramolecular |
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The force between molecules |
Intermolecular |
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Which element is the biggest? |
Francium |
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Which element has the most ionization energy? |
Helium |
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Which element has the most electron affinty? |
Helium |
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What does a non metallic oxide with water form? |
Acid |
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What does a metallic oxide with water form? |
Base |
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