Parts of an Equation
Counting Atoms
Evidence of Chemical Change
Law of Conservation of Mass
Misc.
100
Everything on the left side of the arrow(yield) of a chemical equation are called ____________
What is REACTANTS
100
how many atoms of Hydrogen are in H2O(water)?
What is TWO!
100
What is a chemical change?
What is A CHANGE IN WHICH A SUBSTANCE IS CHANGED INTO ONE OR MORE NEW SUBSTANCES WITH DIFFERENT PROPERTIES.
100
The Law of Conservation of Mass says....
What is MASS CANNOT BE CREATED OR DESTROYED.
100
How many valence electrons does Boron have?
What is FIVE
200
The small number written below the normal line of letters that never changes is the ______.
What is SUBSCRIPT
200
How many elements are in the following chemical formula: 3NaCl
What is TWO
200
The first letters of each word in: City Guys/Girls Love Their Phones, represents what evidence of a chemical change.
What is COLOR Change, GAS Production, LIGHT Production, TEMPERATURE Change, PRECIPITATE.
200
If a chemical equation is balanced, the elements and number of atoms are ____________ for the reactants and products.
What is THE SAME
200
What element has 16 protons?
What is OXYGEN
300
Everything written on the right side of the arrow(yield) are new substances formed after a chemical reaction are the ______.
What is PRODUCTS
300
How many total atoms are this chemical formula: C6H12O6
What is 24
300
What evidence of a chemical change do you get when you mix vinegar and baking soda?
What is GAS PRODUCTION (CO2)
300
True or False Balanced equations have the same number of atoms for each elements on the reactants and products.
What is TRUE
300
Which group is the most stable and is made up of only gases?
What is GROUP 18/ NOBLE GASES
400
A number written in front of a chemical formula to show how many molecules of that substance are present
What is COEFFICIENT
400
How many atoms of each element are in this formula C10H5O2
What is 10 CARBONS, 5 HYDROGENS, 2 OXYGENS
400
Lighting a match a fire forms, the evidence a chemical change is happening, is the ________
What is LIGHT PRODUCTION
400
True or False If I am following the Law of Conservation of Mass, the total mass on the reactant side will not match the total mass on the product side
What is FALSE
400
Which group on the Periodic Table is the most reactive?
What is GROUP ONE!
500
A combination of symbols and numbers that represent the number and types of elements (atoms) present in a compound
What is CHEMICAL FORMULA
500
How many Oxygens are on the Reactant side of the equation: H2O + CO2 --> C6H12O6+ O2
What is THREE
500
A solid that forms as a result of a chemical reaction. It may appear cloudy and will fall to the bottom of the container over time
What is PRECIPITATE
500
Explain if the the following equation is balanced or unbalanced. 3Na + Cl2 --> 3NaCl
What is UNBALANCED BECAUSE REACTANTS HAVE 2 Cl AND PRODUCTS HAVE 3 Cl.
500
If you do not have a coefficient or a subscript, assume that there is ______ of that element or molecule.
What is ONE
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