Lab tools
States of matter
P/C changes & Density
Atoms, ions, and isotopes
Periodic table
100
Which tool is this?
What is a transfer pipette?
100
This state of matter does not have a definite volume
What is a gas?
100
The SI unit used to measure temperature
What are Kelvin (K)?
100
The negatively charged particle that is not in the nucleus and has negligible mass
What is an electron?
100
The property of nonmetals which means that they break easily
What is brittle?
200
This tool is used for preparing ___________ and __________.
What are solutions and dilutions?
200
The transition state when liquid water in coffee leaves the cup to become air (vapor)
What is evaporation?
200
The SI unit to measure heat
What are Joules (J)?
200
How many electrons can the first three electron shells hold, starting with n=1?
What are 2, 8, and 8?
200
Elements in the same __________ have the same number of energy levels.
What is period?
300
How many significant figures in 0.060520?
What is 5?
300
Does this image show an element, compound, or mixture of one or both?
What is a compound?
300
A ______________ has a specific melting point.
What is a pure substance?
300
What is the symbol for the magnesium ion that is typically formed?
300
The periodic table family that takes a +2 charge
What are the alkaline earth metals?
400
What is the reactivity of this substance?
What is not reactive?
400
Concrete is a ______________ mixture.
What is heterogeneous?
400
If liquid nitrogen (diatomic) in an open container is heated at room temperature, what happens to its density?
It decreases (as it becomes a gas)
400
This family can exist as multiple differently charged ions
What are the transition metals?
400
How many core electrons are in a cation that is isoelectronic with argon (atomic number 19)?
What are 19 core electrons?
500
What color is Ms. Engelken's bicycle?
What is red?
500
When separating a homogeneous mixture of salt and water using the evaporation technique, at about what temperature does the solvent become gas?
What is 100C?
500
There are 10g of gas in an aluminum cylinder that is 100 cubic centimeters large. The mass is doubled and the cylinder is crushed to half of its volume. What is the new density of the gas?
What is 0.4 g/cm3?
500
This scientist theorized that atoms of an element combine with other atoms to form compounds
Who is Dalton?
500
This transition metal becomes liquid at body temperature
What is gallium?