Unit 1
Unit 2
Unit 3
Unit 4
Unit 6
100
The first step of the scientific method
What is make an observation or ask a question
100
melting ice is an example of a ___________________ change.
What is physical change
100
The number of atoms in 1 mole of an element
What is 6.022 x 1023
100
States that an electron occupies the lowest available energy orbital
What is the Aufbau principle
100
The number of fluorine present in CF4
What is 4
200
A testable statement used to making predictions and carrying out further experiments is a
What is hypothesis
200
the state of matter in which a material has neither a definite shape nor definite volume
What is a gas
200
The mass number of an atom of potassium has 19 protons and 20 neutron
What is 39
200
A measure of the ability of an atom in a chemical copound to attract electrons
What is electronegativity
200
the metallic ion in copper (II) chloride
What is Cu +2
300
To measure density, the quantities that must be measured
What are mass and volume
300
malleability is a property of these types of elements
What are metals
300
Nickel-60 (atomic number 28) has __________ electrons
What is 32
300
A negative ion
What is an anion
300
The formula for aluminum sulfate
What is Al2(SO4)3
400
to two significant figues, the measurement 0.0255 g should be reported
What is 0.026 g
400
states that matter can be neither created nor destroyed
What is the law of conservation of mass
400
The number of moles in 6 grams of carbon.
What is .5 mol C
400
Argon, krypton, and xenon are part of this family
What are the Noble gases
400
the name of Fe(NO2)2
What is iron(II)nitrite
500
Measurements of 1.43 g, 1.52 g, and 1.38 g when the actual value is 1.25
What is neither accurate nor precise
500
the measurement of the kinetic energy of the particles in a sample of matter
What is temperature
500
Discovered the nucleus of an atom during his Gold Foil Experiment
Who is Rutherford
500
the electron configuration for nitrogen
What is 1s2, 2s2, 2p3
500
The general equation for a double replacement reaction
What is AB + CD --> AD + CB
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