What are the 3 processes of making an alloy?
x3 points
Annealing, Tempering, Quenching
What is the trend for metals reactivity as you go down the periodic tablea? List the first 3 alkali metals in order from most to least reactive.
Reactivity increases as you move down the periodic table. Postassium, Sodium, Lithium
Based on its location on the Periodic Table, which of the following properties would you expect for Iodine?
a. Shiny when polished
b. Conducts electricity
c. Brittle solid, liquid or gas at room temperature
d. Dents when hit with a hammer
Brittle solid, liquid or gas at room temperature
What is the period number of indium?
x6 points
5
Gallium
Arsenic
Bromine
Strontium
Palladium
Selenium
x3
Ga
As
Br
Sr
Pd
Se
Which element(s) would be considered a metal?
Rubidium, Tellurium, Selenium, Arsenic, Polonium
Polonium and rubidium
NO NOTES
Which scientist organized our current periodic table by ordering the elements by atomic number?
x2 points
Moseley
Find gallium on the Periodic Table. Based on its location on the table, which of the properties below best describe it?
a. Metal; shiny when polished, good conductor, brittle, solid
b. Metal; dull, good conductor, brittle, solid
c. Nonmetal; dull, poor conductor, brittle, solid
d. None of the above
None of these
NO NOTES
This is the name for the elements in Column 2A.
Alkaline earth metals
Germanium
Iodine
Tellurium
Silver
Xenon
Gold
Ge
I
Te
Ag
Xe
Au
Which element(s) are metaloids?
Actinium, Aluminium, Astatine, Phosphorous, Silicon
x2 points
Astatine and silicon
Which element is a gas, (not a noble gas), and has an atomic mass greater than 19.00? Give the atomic number of the element as your answer.
17
Which element has a mass less than 21 and is a chalcogen? Give the atomic number of the element as your answer.
8
NO NOTES
This is the name for the elements in Column 7A
x2
Halogens
Krypton
Rubidium
Yttrium
Zirconium
Cadmium
Tin
x2
Kr
Rb
Y
Zr
Cd
Sn
On the Periodic Table, which element is a liquid nonmetal? Give the atomic number of the element as your answer.
35
Which nonmetal forms allotropes, has an atomic mass greater than 20, and has the same chemical properties as Bismuth? Give the atomic number of the element as your answer.
15
Which element is found in Period 5, metallic, not an alkaline earth metal and has 50 neutrons? Give the atomic number of the element as your answer.
x2 points
39
This row is referred to as the “Lanthanide Series.”
Row 6
Antimony
Barium
Tungsten
Lead
Bismuth
Radium
Sb
Ba
W
Pb
Bi
Ra
Based on its location on the Periodic Table, list 2 physical or chemical properties you would expect the element Platinum to have?
Shiny when polished, malleable, gray color, bubbles in acid, turns dark in CuCl2, good conductor.
What element is a diatomic solid? Give the atomic number of the element as your answer
53
A fictitious element, called X, has an atomic mass between that of element 115 & 117. It also has similar properties to element 86. Where should this element be placed on the Periodic Table? Give the group number using the B-system as your answer. (In other worlds use numbers 1-18)
18
Are energy levels associated with families or perioids and why?
Periods, Each period gains another electron shell which raises the energy level. More shells more energy.
Cesium
Platinum
Mercury
Thallium
Radon
Uranium
Cs
Pt
Hg
Tl
Rn
U