Scientists and discoveries
Bonds... Chemical Bonds
Misc. Chemistry
Subatomic particles
Electrons
100
Bohr Model
100
Electrons are shared in this type of bond.
Covalent
100
What particle is emitted from Alpha Decay?
He nucleus
100
What charge do protons have?
positive
100
S orbitals have what kind of shape?
Spherical (circular)
200
What did Mendeleev do?
Periodic Table organization
200
This bond is between a metal and a nonmetal.
Ionic bond
200
Are the following measurements more ACCURATE or PRECISE when compared to the measurement of 100.0 degrees. Measurements: 77.4, 78.9, 77.1 degrees
PRECISE.
200
Name all 3 subatomic particles.
Protons
Neutrons
Electrons
200
How many electrons does F have?
9
300
Name at least 1 of the 3 steps in the scientific method.
1) Making observations 2) Proposing and testing hypotheses 3) Developing theories
300
Identify the following as ionic, covalent, or metallic: MgO
Ionic
300
Write the following number in scientific notation:
6,300,000
6.3 x 10^6
300
How many neutrons does C have?
6
300
What is the electron configuration of Oxygen? Write on the board.
1s22s22p4
400
What scientist was the first to prove the existence of an atom?
Dalton
400
The Lewis Dot structure for aluminum would have ___ electrons?
3
400
What is the similarity and difference between an anion and a cation?
Both are ions where anions are negatively charged, and cations are positively charged.
400
What is the atomic number of neon (Ne)?
10
400
How many valence electrons does Ne have?
8
500
Rutherford's Model, or Gold Foil Experiment
500
Identify the following compound as ionic, metallic, or covalent: CBrO2
Covalent
500
Three isotopes of oxygen occur in nature: oxygen-16, oxygen-17, and oxygen-18. If the atomic mass of oxygen is 15.9994, which of the three isotopes, if any, is the most abundant?
Oxygen-16
500
What early model of the atom did Thomson develop that involved a lump of positive charge with electrons stuck to it? Bonus Points: Draw model on board for double the points!
Plum-Pudding Model or
Blueberry muffin model
500
What is the charge for Na ion?
+1