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9 Cards in this Set
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- Back
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Atomic radius _________s across a period, and ________s down a group
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decrease, increase
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Ionization energy _______ across a period, and ________ down a group
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increases, decreases
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Electronegativity ________ across a period, and ________ down a group.
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increases, increases
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Effective nuclear charge _________ across a period and __________ down a group
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increases,increases
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If the density of Phosphorus is 1.82 g/mL, and you have 150 mL, what is the mass?
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d= m/v
1.82=m/150 1.82*150=m m= 273g |
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What causes an anion to form and what is the charge? Are they larger or smaller than the original element?
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Anions are negative, and are formed when an electron is gained. That makes them larger than the original element.
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What causes a cation to form and what is the charge? Are they larger or smaller than the original element?
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cations are positive, and are formed when an element loses electrons. That makes them smaller than the original element.
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Looking at the Periodic Table, identify the following groups of elements:
metals, nonmetals, metalloids, trnasition metals, alkali metals, alkaline earth metals, halogens, and noble gasses |
light blue, light green, pink,purple, darkish blue,red, yellow, tealish
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Sr (2+) has how many protons, neutrons, and electrons? What is the charge, and is it a cation or anion?
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38 p+, 36 e-, 50 n. Cation, positive 2 charge.
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