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Chemical Equations
Chemical Equations 2
Classifying Matter
Chemical Subscripts
Miscellaneous
100
what is a right arrow represent?
The result of a reaction in a equation is.
100
What is matter can be changed but not created nor destroyed?
The Law of Conservation of Matter.
100
What is a heterogeneous mixture?
Vegetable soup is classified as.
100
What is KF?
Potassium Fluoride.
100
what is sodium chloride?
Scientific name for table salt.
200
what do subscripts represent in a chemical equation?
The number of atoms contributed by the elements and proportions of elements to each other.
200
What is have the same numbers on either side of the equation?
In the Law of Conservation of Matter, chemical equations must always.
200
What is a homogeneous mixture?
Milk is classified as.
200
What is Zn3 N2?
Zinc Nitride.
200
What is granulated sugar?
A common name for Sucrose.
300
What are chemical substances combined?
The plus sign in a chemical equation means.
300
What are the number of atoms will not change?
In the Law of Conservation of Matter elements may recombine to form new compounds if.
300
What is a pure substance compound?
Baking soda is classified as.
300
What is Al2 O3?
Aluminum Oxide.
300
What is caffeine?
NaCL is a common name for.
400
What is a phase change to gas?
The up arrow indicates.
400
What is a substance dissolved in water (aqueuos solution)?
In chemical equations, aq stands for.
400
What is a pure substance element?
Oxygen is classified as.
400
What is Ba3 P2?
Barium Phosphide.
400
What are valence electrons or combining power?
Number of electrons an atom will receive, give up, or share in a forming compound.
500
What is salt and water?
NaOH + HCl → NaCl +H2O.
500
What is C2 H4 O2?
One way to write a chemical formula for acetic acid is.
500
What is pure substance compound?
Water is classified as.
500
What is MgS?
Magnesium sulfide.
500
What is 2 valence electrons?
Transitional metals have _____ valence electrons.