Periodic Table
Measurement
Matter
Scientific Method
Molecules and Compounds
100
What number tells you the number of protons and electrons?
Atomic Number
100
What am I? What am I good at measuring? What units do I measure in?
Graduated Cylinder
Metric Volume
mL
100
What is the charge for the subatomic particle- NEUTRON
Neutral or No Charge
100
What is the SECOND step in the Scientific Method?
Research
100
How many electrons fit on the first energy level?
2
200
How do you figure out the number of neutrons?
AM-AN=N
200
What am I? What am I good at measuring?
What units do I measure in?
Triple Beam Balance
Mass
grams
200
What is the Atomic Mass for the element Cs
Cesium- 132.905 or 133~
200
Which variable is the variable that the scientist is measuring and it changes due to another variable?
Dependent Variable
200
How many atoms are there in C12H22O11
45 ATOMS
Sugar
300
What element is in Group 13, Period 3
Aluminium (AL)
300
What is my measurement? INCLUDE UNITS
67 mL
300
What is the difference between Periods and Groups?
What does each property tell you about your element
Periods- rows (side-to-side)
Groups-columns (up and down)
Periods- Shell #
Groups- VE
300
What variable is being manipulated or changed during the experiment/procedure?
Independent
300
How many elements are there in C6H8O6
3 Elements (Carbon, Hydrogen, Oxygen) Vitamin C
400
Is Potassium a metal, metalloid, or nonmetal
Metal
400
What is my Measurement? INCLUDE UNITS
224 g
400
Who am I?
Oxygen
400
Explain the difference between QUALITATIVE & QUANTITATIVE observations?
Qualitative: Observations made with your 5 senses WITHOUT numerical data
Quantitative: Observations WITH numbers and numerical data
400
Is this considered a COMPOUND- Li2
NO
because there is only one element
500
What does the term 'valence electrons' mean? (2 things)
number of electrons on outermost shell, tells how reactive an element is
500
What is my measurement? INCLUDE UNITS
41 g
500
My shell number is 3 and my Valence Electrons is 6. Who am I?
S, Sulfur
500
What is the format to write a hypothesis?
If....then....because
500
What is the relationship between MOLECULES AND COMPOUNDS?
Molecules are any atoms chemically combined (bonded).
Compounds are molecules with at least 2 elements