Comprehensive Chemistry and Atomic Structure Review for Students
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30 Terms
How do atoms of different elements differ from each other?
Number of protons
What type of energy is used to identify different elements?
Light
Why is UV light more damaging than radio waves?
UV light has a shorter wavelength and higher frequency
How are isotopes of an element different from each other?
Number of neutrons
Which type of light has the most energy?
X-rays
How are elements ordered on the periodic table?
Number of protons
Which set of elements has similar properties?
Mg, Ca, Sr
What elements form ionic bonds?
Metals and nonmetals
What is the strongest attractive force listed?
Ionic bonding
What does the mole measure?
Number of particles
What does molarity measure?
Number of moles dissolved in a liquid
What is a product in all acid-base reactions?
H₂O
What is pH based on?
Molarity of H⁺ ions
What is the limiting reactant in a reaction?
The reactant that runs out first
What is the term used to describe the relationship between what should have been made and what was actually made?
Percent yield
How many centimeters are in 1 meter?
100 cm
What reactant is needed for a combustion reaction?
O₂
What determines the melting point of a solid?
Attractive forces
What is surface tension?
The property of a liquid that minimizes surface area
What is an electrolyte?
A substance that conducts electricity when dissolved in water
What is an element?
A pure substance made of only one type of atom
What is a compound?
A substance made of two or more different elements chemically bonded
What are the three particles in an atom?
Protons, neutrons, and electrons
What charge does a proton have?
Positive charge
What charge does a neutron have?
No charge / neutral
What charge does an electron have?
Negative charge
Where are protons located?
In the nucleus
Where are neutrons located?
In the nucleus
Where are electrons located?
In the electron cloud around the nucleus
How can scientists determine what the layers of Rainbow Mountains are made of?
By using light or spectroscopy because different elements give off or absorb different colors of light