Properties of Elements
P's, N's, E's, and Isotopes
Ionic Compounds
Nuclear Chemistry
Atomic Number 9
100
List the intrinsic properties from the following group: mass, length, hardness, volume, density
What is hardness and density
100
What makes isotopes different?
What is # of neutrons
100
In a flame test NaCl produced a yellow flame KBr produce a red flame What color flame will NaBr produce?
What is yellow. REMEMBER only the metal cation is causing the color of the flame!
100
When two nuclear join together to create a larger element and release energy
What is nuclear fusion
100
Atom's total number of electrons?
What is 9
200
The equation for density
What is mass/volume
200
Draw the plum pudding model of the atom? What does it show us about electrons compared to protons?
What is electrons can be removed
200
If an ion from group 2 formed an ionic compound with an ion from group 7. How many of each will you need?
What is 1:2
200
Splitting of atomic nuclei and release of energy
What is nuclear fission
200
Metal, Metalloid, or Nonmetal?
What is nonmetal
300
2 blocks of gold have the same mass. What other properties do they share?
What is volume, density, etc
300
What is true about the neutron to proton ration in naturally occuring isotopes
What is At least as many neutrons as protons. Usually more neutrons. NEVER fewer neutrons
300
The charge of an ionic compound is always
What is zero
300
an alpha particle
What is a Helium nucleus? 4/2 He
300
Number of valence electrons?
What is 7
400
Calculate the mass of 10 mL of aluminum. The density of aluminum is 2.7 g/mL.
What is 27g
400
Who has an electron configuration [He]2s2 2p1
What is 2 B
400
What is the charge of Copper in Copper (II) oxide?
What is +2
400
The alpha decay of Uranium-238
What is 283/92 U -->4/2He + 279/88 Ra
400
Core electrons?
What is 2
500
What does the symbol (s) mean in a chemical equation?
Solid
500
Set up the equation to calculate the atomic mass of2 isotopes of Gallium. 60% Gallium-69 30% Gallium-71
What is (.6)(69) + (.3)(71)
500
Which group of elements is east reactive? Why?
What is noble gases. Have 8 valence electrons, do not form ions or ionic compounds
500
Least penetrating to most penetrating types of radiation
What is alpha, beta, gamma
500
Number of neutrons for most abundant element?
What is 11
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