Did we learn this
Conclusion of the famous experiment by Antoine Lavoisier about the nature of air.
The 3 states of matter
What is solid, liquid, gas
Convert 16.45m to cm
1645 cm
The atomic number of neon (Ne)
What is 10?
shape of S orbitals
What is Spherical
The area of study in chemistry deals with carbon based chemicals and living matter
What is Organic chemistry?
The difference between elements and compounds
What is that 2 or more elements make up a compound.
~~~DOUBLE POINTS!!!~~~ Convert 23 C to K
What is 296 K
The 3 subatomic particles AND their charges.
Protons +
Neutrons 0
Electrons -
Maximum number of electrons in an orbital
What is 2?
1 of the 6 steps in the scientific method
What is 1) asking a question, 2) proposing a hypothesis, 3) doing an experimet, 4) collecting data and making observations 5) Analyzing the results, and 6) making conclusion and developing theories?
anything that takes up space and has mass
What is matter?
The following number in scientific notation: 6,300,000
6.3 x 10^6
The number of neutrons in a fluorine atom with Mass # = 19.
What is 10?
The full electron configuration of a carbon (C) atom
What is 1s2 2s2 2p2
One of his four fundamental assumptions is that all matter is made of tiny indivisible particles called atoms
Who is John Dalton?
An example of a physical change
What is boiling, tearing, molding....
The formula for density.
Density = Mass/Volume (Mass over volume)
Same element but different number of neutrons.
What is an isotope?
Double: This property of atoms increases as you go right on the rows of periodic table and increases as you up the columns of the periodic table. So F is the most!
What is electronegativity?
Atomic model proposed by J.J. Thomson. It makes me think of Christmas dessert.
What is the plum pudding model?
An example of evidence that a chemical change occured.
What is, 1) change in color/odor/texture/taste, 2) emission of heat or light, 3) gas/bubbles produced, or 4) precipitate formed
The number of significant figures in 0.034500040
What is 8?
the number of valence electrons in alkaline earth metals
What is 2?
If Antimony gains 3 electrons, it will have the electron configuration of this noble gas.
What is Xenon?