What is a type of material that is a pure substance and is represented
by a chemical symbol? A. AtomB. ElementC. Compound
A substance that contains two or more different elements bonded
together is which of the following?
Compound
For example: H2O
Which of the following correctly matches the symbol of an element with the element’s name?
A. AU – gold B. nE – neon
C. Pb – lead D. si – silver
Which of the following correctly matches the symbol of an element with the element’s name?
A. AU – gold (Not correct because it is two capital letters.)
B. nE – neon (Not correct because it is a lower case letter and then an upper case letter.)
C. Pb – lead
D. si – silver (Not correct because these are two lower case letters).
Which of the following is the correct set of labels for columns #1 and #2?
A. # 1: Compounds # 2: Elements
B. # 1: Pure Substances # 2: Mixed substances
C. # 1: Elements # 2: Compounds
D. # 1: Atoms # 2: Mixtures
Column 1 Column 2Na NaClFe H2OK CO2
C NH3
Which of the following is the correct set of labels for columns #1 and #2?
A. # 1: Compounds # 2: Elements
B. # 1: Pure Substances # 2: Mixed substances
C. # 1: Elements # 2: Compounds
D. # 1: Atoms # 2: Mixtures
Column 1 Column 2Na NaClFe H2OK CO2
C NH3
What is the proper name for the capital letter H in the middle of the box?
A. Chemical SymbolB. Element NameC. Chemical FormulaD. Molecular Symbol
What is the proper name for the capital letter H in the middle of the box?
A. Chemical SymbolB. Element NameC. Chemical FormulaD. Molecular Symbol
Examine the substances provided:1: H2O 2: C
3: He 4: NaClWhich of the substances is an example of an element?A. 1 and 2B. 1 and 3C. 2 and 3D. 2 and 4
Examine the substances provided:1: H2O 2: C
3: He 4: NaClWhich of the substances is an example of an element?A. 1 and 2B. 1 and 3C. 2 and 3D. 2 and 4
What am I?A. AtomB. ElementC. Compound
What am I?A. AtomB. ElementC. Compound
What am I?A. AtomB. ElementC. Compound
Potassium
What am I?A. AtomB. ElementC. Compound
Potassium
What am I?A. AtomB. ElementC. Compound
Mercury
What am I?A. AtomB. ElementC. Compound
Mercury
What am I?A. AtomB. ElementC. Compound
What am I?A. AtomB. ElementC. Compound
What am I?A. AtomB. ElementC. Compound
What am I?A. AtomB. ElementC. Compound
Element, Compound, or Mixture?
Copper
Element, Compound, or Mixture?
CopperCu
Element, Compound, or Mixture?
Salt
Element, Compound, or Mixture?
SaltNaCl
Element, Compound, or Mixture?
Neon Gas
Element, Compound, or Mixture?
Neon GasNe
Element, Compound, or Mixture?
Pure Water
Element, Compound, or Mixture?
Pure WaterH 2O
Element, Compound, or Mixture?
Aluminum
Element, Compound, or Mixture?
AluminumAl
Element, Compound, or Mixture?
Silver
Element, Compound, or Mixture?
SilverAg
Physical or Chemical Changes?What are the indicators?
Frying eggs and bacon
Chemical Change
Frying eggs and bacon
Color ChangeSmell ChangeNew Material
Physical Change
Cracking an EggSize ChangeShape ChangeSame material
Slicing BreadSize ChangeShape ChangeSame material
Chemical Change
Lighting a Match
Color ChangeHeat ProducedSmell ChangeNew Material
Roasting Marshmallows
Roasting Marshmallows
Color ChangeHeat ProducedSmell ChangeNew Material
Physical Change
Butter MeltingSize ChangeShape ChangePhase ChangeSame material
What is happening in this picture?
What is happening in this picture?
Color ChangeBubbling and Fizzing
Physical Change
Broken MirrorSize ChangeShape ChangeSame material
Boiling WaterSize ChangeShape ChangePhase ChangeSame material
Chemical Change
Aggie Bonfire
Color ChangeHeat ProducedSmell ChangeNew Material
Mowing the LawnSize ChangeShape ChangeSame material
Chemical Change
Baking a Cake
Bubbling and Fizzing (Produces small holes in the cake)
Smell Change
Chemical Change
Digesting Food
Color ChangeHeat ProducedSmell ChangeNew Material
Making LemonadeSize ChangeShape ChangeSame material
Chemical Change
Fireworks
Color ChangeHeat ProducedSmell ChangeNew Material