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Chapter 1
Chapter 2
Chapter 4
Chapter 5
Chapter 6
100
5 X 10 to the 6th power
What is 5,000,000
100
the difference between an element and a compund
What is an element cannot be broken down into simpler substances?
100
The nucleus of an atom . . .
What are protons and neutrons?
100
The most highly reactive nonmetals belong ot this family . . .
What are the Halogens?
100
When an atom loses an electron it forms this . . .
What is a cation?
200
the SI units for length & temperature
What are meter and Kelvin
200
Two examples of a physical property . . .
What is viscosity, conductivity, malleability, hardness, melting point, boiling point, density?
200
Least massive . . .
What are electrons?
200
The most reactive metals have this many valence electrons . . .
What is one?
200
This process changes atoms into ions.
What is the transfer of electrons?
300
7 degrees Celsius, Kelvin style
What is 280 degrees Kelvin
300
Cinnamon sugar is a yummy example of this . . .
What is a heterogeneous mixure?
300
The atomic numbr of sulfur is 16. How many electrons are in an atom of sulfer-34?
What is 16?
300
The noble gases were so difficult to discover . . .
Why is they are colorless, odorless and don't react
300
What is the binary compound fromed from potassium and iodine?
What is potassium iodide?
400
Precision of a calculated answer is controlled by this . . .
What is the precision of the measurements - watch for errors!!
400
Evidence of a chemical change? (#2)
What is color change, gas, precipiate?
400
All atoms of an element have the same . . .
What is atomic number?
400
Elements become this as they move from left to right across the table . . .
What is less metallic?
400
Water has a higher boiling point because of this . . .
What is strong attractions between polar water molecules?
500
The responding variable depends on this . . .
What is the manipulated variable?
500
A substance that has little tendency to change into anoter substance is said to have low . . .
What is reactivity?
500
The electron cloud model is used to describe this . . .
What is an electron's possible location around the nucleus?
500
The number of oxygen valence electrons in a molecule of CO2.
What is 16?
500
The ratio of elements in the compound Calcium Chloride . . .
What is 1:2?