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9 Cards in this Set

  • Front
  • Back

Atomic radius _________s across a period, and ________s down a group

decrease, increase
Ionization energy _______ across a period, and ________ down a group
increases, decreases
Electronegativity ________ across a period, and ________ down a group.
increases, increases
Effective nuclear charge _________ across a period and __________ down a group
increases,increases
If the density of Phosphorus is 1.82 g/mL, and you have 150 mL, what is the mass?
d= m/v

1.82=m/150
1.82*150=m
m= 273g
What causes an anion to form and what is the charge? Are they larger or smaller than the original element?
Anions are negative, and are formed when an electron is gained. That makes them larger than the original element.
What causes a cation to form and what is the charge? Are they larger or smaller than the original element?

cations are positive, and are formed when an element loses electrons. That makes them smaller than the original element.

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
Sr (2+) has how many protons, neutrons, and electrons? What is the charge, and is it a cation or anion?
38 p+, 36 e-, 50 n. Cation, positive 2 charge.