The Nature of Science
What does a fire blanket do?
Helps stop a fire on a person
What is the charge of a proton?
Positive
Where are metals located in the periodic table?
On the right side
What is the prefix for one?
Mono
What does the symbol (aq) identify?
Identifies that something is dissolved in water/aqueous
What are the four common colors on a chemical hazard label?
Blue, Red, Yellow, and White
Which scientist is credited for the nuclear model?
Rutherford
What are some properties of non-metals?
Dull, brittle, poor conductors of thermal and electrical energy, not malleable, not ductile, etc.
How is SiO2 pronounced?
Silicone Dioxide
How do you know a chemical change is occurring?
Change in color, temperature, and acidity, odor, as well as gas and precipitate formation
What does SDS stand for?
Safety Data Sheet
How do you determine the atomic number?
Adding protons and electron
How many groups are there in the periodic table?
18 groups
What are the two types of covalent bonds?
Nonpolar Covalent bonds and Polar Covalent bonds
What does the Law of Conservation of Mass say?
The Law of Conservation of Mass says that mass can't be created nor destroyed
How is scientific notation expressed?
N x 10^n
Atoms that gain or lose electrons are called...
Ions
Who is the father of the Periodic Table?
Dimitri Mendeleev
How many diatomic molecules are there?
7
Who is the father of modern chemistry?
Lavoisier Labor
How many significant figures are there in an exact number?
Infinite
What are the two types of ions?
Cations and anions
What are the 5 element families?
Alkili metals, Alkaline earth metals, Transition metals, Chalcogens, Halogens, and Noble gases
What is a dipole?
It is a molecule that has two poles or regions with opposite charges
Chemical reactions are represented by...
Chemical equations