Particles
Nitrogen-16 would have how many neutrons?
9
What type of change occurs when one or more new substances is produced?
a chemical change
An atom is the smallest form of a _________ and exhibits all of the properties of it.
an element
a compound
what has an indefinite shape but a definite volume?
liquid
these 2 particles are found inside the nucleus and account for the mass of an atom.
the Protons and neutrons
Density is an example of a _____________
a physical property
All matter is made up of very small particles called what?
atoms
explain how you find the amount of neutrons of an isotope.
subtract the atomic number from the atomic mass.
At what temperature does water freeze? In kelvin
273
An isotope of an element is a variety of that element that has a different number of ________________.
Neutrons
Flammability is an example of a ________
chemical property
All isotopes of the same element have the same number of what particle?
protons
What is the chemical process called that produces rust? and what type of change is that?
Oxidation, chemical
give me an example of a Heterogeneous mixture.
Concrete, etc
What's the mass number of Lead-207
207
a chemical property
Hydrogen-1 has how many Protons, neutrons and electrons?
1 proton, 0 neutrons and 1 electron.
Where you can't tell if it is a liquid or gas anymore due to the high amount of pressure and temp.
I found carbon dioxide as a liquid, solid and a gas in equal quantities. what is this specific point called?
The triple point.
Come up to the board and write the nuclear symbol for K-40
40/19 K
what is the term used for the ability for a substance to dissolve?
solubility
How many oxygen atoms are in the following combination of compounds? 5C8H2O5 + N2O3
28
What is the process of a substance transforming directly from a gas to a solid?
deposition
Which Mystery Mixture in the lab was the Cookie Mixture and why?
Mystery Mixture #1.