Matter
Everything that has mass and takes up space is
Matter
All matter is made up of what?
Atoms
What do we use to organize elements based on their atomic number?
The Periodic Table
Is NaOH an element or compound?
Compound
Are scientists very curious people?
Yes
What are the two categories of matter?
Pure substances and mixtures
Atoms are composed of smaller particles called
Subatomic Particles
Can two elements have the same number of protons (atomic number)?
No
Is O2 an element or a compound?
An element
Scientific questions are usually very detailed and indirect
False
What is the name for two or more elements combined together in fixed proportions?
Compound
Positive
What side of the periodic table are Non-Metals found on?
Right side
What elements are present in H2SO4?
H (Hydrogen), S (Sulfur), and O (Oxygen)
What is a dependent variable?
A factor that depends on the Independent variable. The dependent variable is usually what factor you are measuring.
Colour, Odour, Texture, Lustre, Clarity, and Taste are all examples of what type of properties?
Physical Properties
Using the Be element notation on the board, how many neutrons are there?
5
What group # are the Alkali Earth Metals found in on the periodic table?
Group 2
How many of each element is found in CHCl3?
C (Carbon) 1
H (Hydrogen) 1
Cl (Chlorine) 3
An observation based on measurements, such as length, time, or temperature, is an example of what kind of observation?
Quantitative Observation
Chemical Change
Using the Na element notation on the board, how many electrons are there?
10
What group # are the Noble Gases found in on the periodic table?
Group 8
How many O (Oxygen) atoms are in Ca3(PO4)2?
8
Scientific Question: What is the effect of gum brand on the size of bubble you can blow?
What is the independent variable?
Gum brand