Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
45 Cards in this Set
- Front
- Back
|
Are you supposed to wear opentoed shoes while in lab
|
Do you start on labs when you enter the room
|
|
|
Do you perform unauthorized tests or experiments
|
Should you make things go boom
|
|
|
What is the first step in the Scientific Method
|
What is the last step to the Scientific Method
|
|
|
When measureing in a granulated cylinder where do you read at
|
What is mass
|
|
|
On what axis does the Independent variable go
|
On which axis does the dependent variable go
|
|
|
Who is credited with being the first to systematically catogorize the peroidic table of elements
|
How did Dimitri Mendeleev sort the table of elements
|
|
|
What is the atomic number of Bromine (Br)
|
What is the atomic number of Europium (Eu)
|
|
|
What is He
|
What is the symbol for Krypton
|
|
|
What is moles number
|
During what century were chemists combining substances
|
|
|
What is a good game to play to gain an understanding of atoms
|
What was about our class averages (battleship)
|
|
|
What is an Atom
|
Is and atom the smallest part of an element
|
|
|
What is ionization energy
|
When or in what direction does the ionization energy decrease
|
|
|
What is the Magic number in chemistry
|
What is a valence electron
|
|
|
During and experiment_____ is collected
|
After and experiment, it is important to____ the results and come to a ______ about them
|
|
|
During experiments, scientists must make many________
|
The system of measurement used by scientists is called the_____ or ______ system
|
|
|
This is a system which uses ___ units and multiples of___
|
The base unit of mass is
|
|
|
The base unit of volume is
|
the bse unit of length is
|
|
|
The prefix that means1/100 is
|
The prefix that means 1/1000 is
|
|
|
The prefix that means 1000 is
|
Temperature is measured in _____ or in _______ degrees
|
|
|
If you are measuring the ammount of space an object takes up you are measuring what
|
An objects______ is determined by dividing mass by its volume
|
|
|
Mass,____,_____, and ____ are all examples of properties that can be observed without changing chemical composition
|
Length and Volume are examples of what properties
|
|
|
Density is classified as what properties
|
A_______ property can only be observed during a ______ reaction
|
|
|
_____ is anything that has Mass
|
If it cant be broken down into a ____ substance it is a _____
|
|
|
Each _____ has a ______
|
Elements on the table are arranged by_______
|
|
|
A column on the table is also known as a
|
What is Group 7
|
|
|
What is group 8
|
What elemtents dont possess the properties of malleability
|
|
|
Group 8a is reffered to as
|
Group 7a is reffered to as
|
|
|
What elements contain both properties of metals and nonmetals
|
What is the main part of the elements that we use
|
|
|
The elements in between the representative elements
|
______ discovered that an atom is mostly _______ space
|
|
|
How did Rutherford discover that an atom is mostly ______ space
|
What is a mixture
|
|
|
What is the dense central core called
|
What are the charges of the particles in the nucleus
|
|
|
The ______ _______ of an atom is the sum of the mass of the _____ and ________
|
What does AMU stand for
|
|
|
Outside of the nucleus of and atom, there are ______ charged subatomic particles
|
Bohr's model of the _____ atom had this particle traveling in a circular_____
|
|
|
the lowest energy sublevels that an electron of an atom can occupy is called its ______ _______
|
The highest energy sublevels that an electron of an atom can occupy is called its ______ _________
|
|
|
When and electron moves back down from ______ _______ to _____ state they release energy in form of what
|
Visible is just one part of the _________ spectrum
|
|
|
which include what
|
the number of waves per second
|
|
|
the distance between crest to crest and trough to trough
|
atoms are electrically_____
|
|
|
The number of electrons in an atom is equal to the number of______
|
If and atom gains or loses an electron, its called an _____
|
|
|
What is the definition of Cation
|
What is the definition of Anion
|
|
|
What is the definition of Valence electrons
|
What is a compound
|
|
|
What is a homogenous mixture
|
what is a heterogeneous mixture
|
|
|
what is a suspension
|
what is a colloid
|
|
|
what is the difference between suspension and a colloid
|
what is the difference between homogenous and heterogeneous mixture
|
|
|
what is the difference between a mixture and a colloid
|
What is a metalloid
|
|
|
what is an isotopes
|
what is an alkali metal
|
