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Periodic Table of Elements
Science Chapter 3
Terms in this set (17)
They could be any of these:
1) Both are soft
2) Both react quickly with other elements
3) Both cannot be found naturally pure
4) Both are silvery in appearence
5) Both have low densities
List two similarites between Alkaline and Alkali Metals.
They could be any on these:
1) Alkaline don't react as quickly to other elements than Alkali Metals
2) Alkali Metals have lower densities (the lowest of all metals)
List 1 difference between Alkaline and Alkali Metals.
You get the point:
1) Elements are arranged into periods and groups.
2) The atomic number goes up by one every time you go to the right.
3) Metals are located to the left and middle
4) Except for Hydrogen, Nonmetals are located to the far right.
5) Metallic properties increase as you go left and also down
List some statements or rules about the periodic table.
He was the first person to organize all the known elements according to their atomic mass. He took note of their physical and chemical properties like density, color, melting point, and how they reacted with other elements. He found that the properties seemed to repeat in a pattern.
Who was Dimitri Mendeleev?
Who was the person who solved the problem with Mendeleev's table?
Mosely found that if elements were arranged according to increasing atomic number (not atomic mass) groups would contain elements with similar properties.
What did Mosely find wrong with the original periodic table?
The elements are so stable that the only way to are them react is under special conditions in a lab.
What is so special about group 18?
Group 18 is known s the Noble Gasses (hahahahaha) and they are gasses. (If you couldn't tell by the name)
What is group 18 known as, and what state of matter are they? (Solid liquid, or gas?)
They include Lithium, sodium, potassium, rubidium, cesium, and francium.
Sentence: Lith likes Salt on Potatoes, Rhubarb, and Celery in France
What elements are Alkali Metals?
They include beryllium, magnesium, calcium, barium, strontium, and radium.
Sentence: Bery Met Cal at the Bar Strongly saying "Rad"
What metals are Alkaline Metals?
They have higher melting points, greater strength, higher densities, they resist corrosion, and they react to oxygen much less quickly.
What properties do transition elements have?
What groups are transition elements in?
Copper, silver, nickel, and gold
What are some common transition elements mentioned in the book?
The top period
At the bottom of the periodic table, there are two periods of elements separate. Which of the two is the Lanthanide series?
The bottom period
At the bottom of the periodic table, there are two periods of elements separate from the table. Which o the two is the Actinide series?
What Actinide metal is specifically named?
It is used as a fuel in some nuclear reactors
What is Plutonium used for/in?
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