Atoms
Periodic Table
Chemical Reactions
Balancing Act
RANDOM!
100
What subatomic particle is positive?
What is a proton
100
Name two noble gases.
What is any element from group 18.
100
Cutting up a piece of aluminum foil is a _______ change?
What is a physical change.
100
According to the Law of Conservation of Mass, the reactants and the products do not have to have equal number of atoms on each side. True or False?
What is FALSE.
100
Draw a Bohrs Model for Lithium.
What is.....see picture.
200
Where are the electrons located in an atom?
What is in the electron cloud.
200
What is the Periodic Table mostly made of?
What are metals.
200
Which option gives evidence of a chemical reaction? Mixing two liquids together to form a precipitate OR boiling water to make steam?
What is mixing two liquids together to form a precipitate.
200
How many atoms total does the following formula have: Mg(0H)2
What is FIVE atoms.
200
An atom with 9 protons has how many electrons?
What is 9 electrons.
300
Neutrons are smaller or almost the same mass as protons (choose one)?
What is almost the same. It is slightly larger.
300
What type of elements live along the "zig zag" line on the Periodic Table?
What are Metalloids.
300
Mixing Sugar with water is a ______________ reaction
What is a physical reaction.
300
Name the parts of a chemical reaction in order from left to right.
What are reactants, yield symbol, products
300
How many valence electrons do elements from group 14 have?
What is 4 valence electrons.
400
How many electrons total can be in the first electron shell/level?
What is two.
400
Elements in the same group have the same number of _______ in their outer shell?
What are valence electrons.
400
During an experiment you observe bubbling, increase in temperature but no color change. Did a chemical change happen?
What is Yes, bubbles (gas forming) and temperature change are two signs of a chemical reaction.
400
Is the following Chemical Equation balanced? 2FeS + HCL ---> 2FeCl2 + 2H2S
What is NO, it is not balanced. Extra Cl and H in products.
400
When balancing a chemical equation, it's best to change the subscripts? True or False?
What is FALSE. You can only change the coefficients.
500
How many valence electrons do all atoms want to have in their outermost shell to be stable?
What is 8 electrons.
500
Group 1 elements react the best with which element group?
What is Group 17.
500
A chemical reaction always forms a new substance, true or false?
What is TRUE.
500
How does a chemical formula different from a chemical equation?
What is a chemical formula shows what makes up the molecule of a substance and a chemical equation shows what forms when two substances react.
500
What is Mrs. Westbrook's favorite color?
What is GREEN!
M
e
n
u