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9th grade Science Final Exam
Pure water has a pH of ____.
Cyan, magenta, and yellow
The primary colors of pigment are?
Blue, green and red
The primary colors of light are?
An object that allows all light to pass through is described as ______.
Pitch to decrease
Increasing the wavelength of a wave causes ________
Increasing wave frequencies
Red, orange, yellow and green are in order of _________.
Benzene ring structure
Aromatic hydrocarbons contain the ________.
A compound that is made up of only Carbon and Hydrogen is called _____.
Semi Circular Canals
The ____ _____ _____ of your ear helps you maintain your balance.
An example of a ______ compound is NaF.
Sound moves the slowest through____.
A ________ wave causes the medium to move up and down at right angles
The word Halogen means "____ ____"
____ means soft, silvery-white, shiny metals, highly reactive, and contain one valence electron.
______ is not a plating metal
The _____ metals become more reactive as you go down the family.
The _____ group contains the element that is the basis of light.
The elements that are least likely to react with other elements are the ____ ____.
The most reactive of all nonmetals is ______.
The element _______ is always found in nature combined with other elements.
The least magnetic of cobalt, iron, nickel and titanium is _______.
The only group that is completely non-metallic is Group ____.
An ______ bond would be formed between Lithium and Bromine.
Covalent Bonds always result in the formation of a ___________.
Ionic bonds always result in the formation of a _______.
A "________" of electrons best describes an ionic bond.
______ is not diatomic
There are __________ diatomic atoms.
A molecule that doesn't share electrons equally is a ______ molecule.
NaCl is a _______.
A bond formed between two nonmetals is a ________ bond.
A charged atom is called an ____.
Gained or lost
An ion is formed when electrons are ______ or ______.
The sum of oxidation numbers in a compound always equals ______.
A binary compound is composed of _____ elements.
The formula from a compound formed between Magnesium and Phosphorus is _____.
_______ is the formula for Iron (III) Oxide.
The name of family #1 is ____ ____.
Binary Compounds are ______.
Formula for Calcium Hydroxide is ____.
A group of covalently bonded atoms that act as single atom when bonding is a _________.
Iodine, Chlorine, and Hydrogen are ______ elements.
Families 3-12 are called the ___ ____.
______ are malleable, luster, and ductile
_______ is the most reactive metals.
_______ is the most abundant element in the universe
________ is the most abundant element in the atmosphere.
All elements after number 92 are called the _____ ______.
Iron (III) Phosphate
The correct name for FePO4 is ______.
The correct formula for Magnesium Nitrate is ______.
Elements that are unstable and break down quickly are ____ ______.
NaOH is the formula for ____ _____.
Organic compounds that have the same chemical formula but different structures are called ______.
Organic compounds contain the element ______.
_________ - single bond
__________ - double bond
__________- triple bond
Compounds containing the Benzene ring are called ______.
Law of Conservation of Mass
Antoine Lavoisier's major contribution to science was the _________.
Law of Conservation of Mass
We balance equations to satisfy the ____________.
A _____ _____ is a series of symbols and formulas used to describe what takes place in a chemical reaction.
Resistance is measured in ____.
A car battery is an example of a ___ cell.
According to Ohm's law _=_/_
W or kW
Thickness, length, and temperature
Three factors affecting resistance
H3PO4 is a _____.
An acid is a proton ______.
Bases do not produce_____ ____ in a solution.
Salt and Water
The products of a neutralization reaction are _____ & ____.
pH values below ____ are acidic
Sulfuric Acid and Magnesium Hydroxide
______ and ______ will produce MgSO4 salt as a product.
Production of fertilizer
Sulfuric acid, Nitric acid, and Phosphoric acid are used in the ________.
Acids and Bases
_____ & _____ are both corrosive, react with indicators, and can cause severe burns.
Acids taste ______.
Waves in which the medium moves at right angles to the direction of the wave energy are _______.
The part of the inner ear that aids in hearing is called the _______.
Frequency is measured in _____.
A healthy human ear can hear frequencies ranging between ___ -___.
_____ is the symbol for wavelength
Hammer, anvil, and stirrup
The three bones of the middle ear in order from the eardrum inwards are __?
The highness and lowness of sound is the ______.
Sound travels fastest through a ____.
Frequencies too high pitched for human ears to hear are called _____.
_________ are particles not found in the nucleus of an atom.
The mass of the atom is located in the _____.
A compound containing only 2 elements is called a _________ compound