Does it Matter?
"Mix" it Up
Periodic Trends
Periodic Table
Numbers. Why did it have to be numbers?
100
The three states of matter.
What are solid, liquid, gas?
100
The two types of hixtures.
What are homogeneous and heterogeneous?
100
The general trend for electronegativity as you move upwards and to the right across the periodic table.
What is increases?
100
The property Mendeleev used to arrange the periodic table.
What is atomic mass?
100
The number of significant figures in 1,004.290 and 1,000,000, respectively.
What are 7 and 1?
200
A substance that is made of only one type of chemical compound or element.
What is a pure substance?
200
A gold ring with an alloy of 14K gold is what kind of mixture?
What is homogeneous?
200
The general trend of ionization energy as you move down and to the left across the periodic table.
What is decreases?
200
The property Mosley used to arrange the periodic table, which fixed some discrepancies in Mendeleev's table.
What is atomic number?
200
When adding or subtracting, this controls where you round your final answer.
What is the number with the fewest decimal places?
300
Of temperature, density or volume, the physical property that can be used to identify a substance.
What is density?
300
The difference between a mixture and a compound.
What is the components in a mixtures are physically mixed while compounds are chemically bonded together?
300
Increase in this causes a weaker hold by the nucleus on the valence electrons.
What is electron shielding?
300
Elements in a group have this in common.
What is same number of valence electrons?
300
When multiplying and dividing, this controls how many significant figures you give in your final answer.
What is the number with the fewest significant digits?
400
Something with mass and that takes up space.
What is matter?
400
The kind of mixture represented by a tossed salad.
What is heterogeneous?
400
The general trend in atomic radius as you move from left to right across the periodic table.
What is decreases?
400
The valence electrons for elements in a period (row) have this in common.
What is the same energy level?
400
When using combinations of addition, subtraction, multiplication and division, this is when you round to the correct significant figures.
What is any time you change from addition and subtraction to multiplication and division?
500
Going from the solid state to the liquid state is an example of this kind of change.
What is a physical change?
500
Of the two types of mixtures, the one where you can not see the individual components separately.
What is homogeneous?
500
The increase in this causes the nucleus to pull more tightly on its valence electrons as you move from left to right across a period.
What is nuclear charge?
500
The most reactive elements on the periodic table, located in groups 1 and 17/7A.
What are the alkali metals and halogens?
500
The primary units we use for mass, volume, temperature, and amount of a substance.
What are grams (or kilograms), liters (or milliliters), Kelvins, and moles?
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