Periodic Table
atomic number
What is the name of the number that identifies the element?
Conduction, convectio, radiation
What are the three modes of heat transfer?
What is rule #1 of significant figures?
The zeros at the beginning of the number are never significant
This is used to wash debris from the eye
What is the use of an eyewash station?
What is the transfer of energy between objects due to a temperature difference?
Heat
Metals, Metalloids(semimetals), non metals
What are the three groups of elements on the periodic table?
The transfer of heat by direct contact
what is conduction?
How many numbers are significant in 23,001,000?
What is 5?
or 5
Goggles, gloves, proper clothes
What protective gear is used in a lab?
What is scientific notation?
A way of expressing numbers that are too long
Italy, Canada, Japan
What are the three countries that only found one element(each)?
The transfer of heat by the movement of a liquid or gas
what is convection?
What numbers do significant figures apply to?
all measurable numbers
inhaling, tasting, touching
What shouldn’t you do around chemicals?
Organic chemistry is the study of the compounds that make up living organisms. What do all organic molecules contain
Carbon and hydrogen
Why do elements in the same group have similar behaviors?
Because they have the same number of valence electrons
Bad conductors of heat
what are insulators?
How many sig figs are in 0.0440?
what is 4
or 4
Broken glass, spilled chemicals, unsafe explosion, wounds
What should be reported to a supervisor?
Which of these elements isn't a noble gas?
Helium
Aragon
Chlorine
krypton
Chlorine
Dimitri Mendeleev
what is the name of the guy who formulated the periodic law (we use now)?
This method of heat can occur in a vacuum
Whats is radiation
or
WHere can radiation occur
Who invented the scientific notation?
What is Guido D’Arezzo
horseplay, carelessness, not following directions.
What should not be done in a lab?
What should not be done in a lab?
Three of the most common states of matter are solids, liquids, and gases. What does a liquid have?
A defined volume, but not a defined shape