Safety & Lab Technique
This should be used for a minimum of 15 continuous minutes.
What is a Safety Shower or Eye Wash?
This type of element is located left of the zig-zag line on the Periodic Table.
What are metals?
A distinguishing number which tells you how many protons an atom has.
What is atomic number?
This has 3 positions in space.
What is a "p" orbital?
A vertical column on the periodic table.
What is a family (or group)?
When reading an MSDS, this NFPA rating in any of the areas means that the substance is mostly safe to work with and the fewest precautions need to be taken.
What is zero (0)?
This type of element is after #92 on the Periodic Table.
What is synthetic?
An atom has 7 of these surrounding the nucleus.
What are electron shells (or energy levels)?
1s22s22p63s2 describes this for magnesium.
What is electron configuration?
A horizontal row on the periodic table.
What is a period?
Use two people. One lights the match. The other turns on the gas.
What is how to light a Bunsen burner?
This type of element is located after #82 on the Periodic Table.
What is radioactive?
This is how you determine the number of neutrons in an atom?
What is Mass Number minus Atomic Number?
The 5 in 3p5
What are valence electrons?
The name of the family containing inert elements.
What are the Noble Gases?
To do this, you must be at eye level and look at the bottom of the curve.
What is reading a meniscus?
This type of chemical reaction absorbs energy from the environment.
What is endothermic?
This can be used to identify an element even when it is very far away like in the stars.
What is a bright-line spectrum?
Two electrons with opposite spins located in the same orbital.
What is an electron pair?
The name of the family containing the most active nonmetals.
What are the Halogens?
You must have these on when using a heat source, chemicals, or when UFO's are possible.
What are goggles?
This type of chemical reaction will feel hot when you touch the container in which it occurs.
What is exothermic?
This term describes one oxygen atom that contains 8 protons and 10 neutrons while another oxygen atom contains 8 protons and 8 neutrons.
What is an isoptope?
Describes the position of the electrons' pathways in space on the x, y, and z axes.
What is Magnetic Quantum Number?
When a characteristic changes by a set amount from element to element.
What is a periodic pattern?