Intro and Data
______ grams is equal to 1 kilogram
What is 1000 grams?
Percent error formula
What is "% error = |experimental - accepted| / accepted X 100"
The highest number of electrons in the 2nd energy level
What is 8?
What is the overall charge of any stable compound?
What is neutral (or 0)
The primary class of elements that typically form covalent bonds with one another.
What are nonmetals?
The system of measurement used in Chemistry
What is SI/Metric?
The digits following the decimal point are called _______
What is significant figures
The sub-atomic particle with a negative charge
What is electron?
This group on the periodic table is the least reactive
What is 8 or noble gas?
This is the equation to calculate the pH of a solution
What is pH = -log[H+]?
Point of eligibility for remakes on quizzes in Mrs. Kim's class
What is 70%?
When atoms 2 different elements are chemically combined they are called ________
What is compound?
A negatively charged ion formed when an atom gains one or more electrons.
What is an anion?
What is 7?
Unlike ionic compounds, the melting and boiling points of covalent compounds are typically this.
What is low?
The changed variable in an experiment
What is the independent variable?
Atoms of the same element but with different neutron count
What is an isotope?
Electrons found in the outermost shell of an atom, which determine its chemical reactivity.
What is a valence electron?
In this type of reaction, two or more simpler substances combine to form a single, more complex product (A + B --> AB)
What is a synthesis reaction
If the pH of a solution is 9, this is the pOH
What is 5?
A requirement in the lab, besides closed-toe shoes, hair tied back,
What is goggles?
DAILY DOUBLE
Place a wager
Air is considered a ________ mixture
"1s² 2s² 2p⁴" is the electron configuration of what element?
What is oxygen?
Which element has the highest electronegativity
What is fluorine?
The physical state of most covalent compounds at room temperature
What is liquid (or gas)