Periodic Table
Classification of Elements
Chemical Reactions
Periodic properties
Chemical Quantities
100
Columns on the periodic table are also called ____.
What are groups or families?
100
Most reactive group of metals on the periodic tabe.
What are the Alkali Metals?
100
The substances on the right side of the yields arrow in a chemical equation.
What are the products?
100
melting point, mass, texture, odor are all examples of these types of properties.
What are physical properties?
100
Equals one mole of a substance.
What is molar mass?
200
Rows on the periodic table are also known as...
What are periods?
200
The least reactive group of elements on the periodic table.
What are the Noble Gases?
200
The type of reaction used to separate metals from their minerals or ores.
What is oxidation-reduction?
200
This is the reason zinc will replace copper in a chemical reaction.
What is Zn is more reactive than copper?
200
Molar mass of (NH4)2SO4.
What is 132.1 grams/mole?
300
Elements on the periodic table are organized according to...
What is similar chemical properties?
300
Elements that have properties of both metals and nonmetals.
What are metalloids?
300
The substance being reduced in the reaction: Mg(s) + 2Ag+(aq) --> Mg2+(aq) + Ag(s)
What is Ag+ (silver ion)?
300
The boiling point estimated boiling point of Kr if the boiling points of Ar and Xe are -185.8 degrees C and -108 degrees C respectively.
What is -146.9 degrees C?
300
The mass of 2.5 moles of CaCO3.
What is 250 grams?
400
Russian scientist who created the first periodic table in 1869.
Who is Dimitri Mendeleev?
400
These elements are lustrous, malleable and good conductors of heat and electricity.
What are metals?
400
The reducing agent in the reaction: Zn(s) + Cu2+(aq) --> Zn2+(aq) + Cu(s)
What is Zn?
400
The formula for Mg & Cl given the following compounds: NaF, Al2O3, CaBr2
What is MgCl2?
400
The percent of Al in Al2O3.
What is 52.9%?
500
The period number indicates this for each element in the row.
What is the number of occupied energy levels?
500
Atoms with the same number of protons but different numbers of neutrons and therefore different mass numbers.
What are isotopes?
500
Matter cannot be created or destroyed, it can only change form.
What is The Law of Conservation of Matter?
500
Based on location on the periodic table, these elements are most similar to Molybdenum.
What are chromium and tungsten?
500
The substance with the greater percent of Cu, CuCl2 or CuO.
What is CuO?
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