What is the Atomic Number?
The amount of Protons in a atom. Identical to the Number of electrons in a Atom.
What is MATTER made of?
Atoms.
What is Matter?
The stuff that makes up everything in the UNIVERSE.
Is a change in temp. a Physical or Chemical Change?
Chemical.
Water is a Neutral, Acid or Base?
Neutral.
Metal, Non-metal, Metalloid.
What is Molecule?
When 2 or more atoms break apart and combine.
What is Chemistry?
The study of MATTER.
Is this a Physical or Chemical Change: Melting Ice Cubes?
Physical.
PH Range for Acids?
1-6
Name 2 Characteristics of Metals
Good Conducters and Shiny.
What are Atoms made of?
Protons, Neutrons and Electrons
What is Physical Change?
Alters the form of a substance.
What are examples of a Chemical Change?
Bubbles, Change in Color, Change in Temperature, Light or heat given off.
PH Range for Bases.
8-14
Which makes up all living things?
A)Carbon
B)Hydrogen
C)Radium
A
What is Pure Substance?
A substance made of one kind of matter.
What is Chemical Change?
Substances combine or break apart to create new substances.
What is Baking a Cake and Cooking Eggs. Physical or Chemical Change.
Chemical.
Is Lemon Juice Acidic or Basic?
Acidic.
Hydrogens symbol is...
1
What is a Mixture?
Consists of 2 or more substances.
What is Atomic Number?
Number of Electrons or Protons
A) Lighting a Match
B) Iron Rusting
Which is a Chemical Change?
Both.
How do you measure the PH of a object.
Using the PH scale.