Intro to Chem
Atomic Structure
Density
Periodic table/trends
Bonding
100
Scientists use this system of measurement.
What is the metric system?
100
The three subatomic particles
What are proton, neutron, electron
100
The equation for density.
What is density= mass/volume
100
The vertical columns on the periodic table are called
What are groups
100
The 2 types of ions found on the periodic table and their respective charges.
What is cations are positive and anions are negative
200
Name and define the two types of mixtures
What are homogeneous (no visibly different parts) and heterogeneous (visibly different parts)
200
Carbon-14 has this many neutrons
What is 8?
200
The 2 equivalent units of measure for density.
What are the milliliter and cubic centimeter
200
The horizontal rows on the periodic table are called
What are periods
200
An ionic bond forms between
What is a cation and an anion (metal and non-metal)
300
The difference between a compound and a mixture
What is a compound is chemically combined and a mixture is physically combined
300
Where the electrons are located in the atom
What is the electron cloud
300
The water displacement method is also known by this name, after the man who discovered it.
What is Archimedes principle
300
Name group 1 on the periodic table and list the properties of it's elements.
What is Alkali metals. Highly reactive with water Soft shiny
300
In a metallic bond valence electrons are described this way.
What is a sea of electrons
400
The number of significant figures in this number: 10030
What is four?
400
The standard and abbreviated electron configurations for Magnesium
What is 1s2 2s2 2p6 3s2 [He] 3s2
400
Define density.
What is the amount of matter in a given volume.
400
Which has a larger atomic radius: Fluorine or sodium
What is fluorine
400
Name and define three properties of metals
What is Malleable- can be flattened into a sheet Ductile- can be drawn into a wire Good conductor- heat&electricity pass through easily
500
Perform the math. Write your answer in the correct sig figs: 20.0 x 12.51 12.2+34.991
What is 1) 250.2 = 250. 2)47.191 = 47.2
500
Which scientist proposed the plum pudding model?
Who is J.J. Thomson
500
The density of room temperature water.
What is 1 g/mL
500
Which element is more electronegative: Chlorine or sulfur
What is chlorine
500
Name this compound: Cu2O3
What is Copper (III) Oxide
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