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Let's see who was paying attention in class!!
Which is a chemical property?
Hund's Rule is concerned with
Let's see who was paying attention in class!!
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Review - End 1st nine weeks
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Answers
1
Hund's Rule is concerned with
Maximum number of electrons per orbital
Your backpack on the floor!!
Filling the lowest energy first
Spin/Orientation of electrons
2
Which is a chemical property?
toxicity
solubility
density
melting point
3
Immiscible liquids
Are good for headaches
Mix partially
Mix thoroughly
Do not mix
4
Down a Group, atomic radius
Decreases
Increases
Remains constant
Fluctuates
5
Quantum theory: Area of probability of finding an electron is known as a/an:
Orbit
Cloud
Space
Pudding
6
Generally used to heat a sample during an experiment
Stove
Bunsen burner
Bon fire
Coffee pot
7
It has a definite volume but no definite shape
Liquid
Stuff
Gas
Solid
8
A physical change results in a new form of the same substance. A chemical change results in:
A new substance
A new form of the same substance
Marshmallows
The same substance
9
Left to right across a Period, ionization energy
Decreases
Increases
Remains constant
Fluctuates
10
Here we go.... 7586.5 in scientific notation is 7.5865 with what exponent?
4
-4
-3
3
11
Used to accurately measure liquids
Conical flask
Test tube
Beaker
Graduated measuring cylinder
12
Name four subshells designated by the Quantum Theory
p,q,r,s
w,x,y,z
s,p,d,f
m,n,o,p
13
The study of matter and its interactions is called
Math
Physics
Chemistry
Biology
14
Number of electrons in the 2p orbital of N (the proton number of N = 7)
4
1
3
2
15
A substance that is composed of only one type of particle
Pure substance
Compound
Atom
Chemical
16
Which is NOT a mixture?
Colloid
Suspension
Solution
Residue
17
Which is NOT a method of separating mixtures?
Evaporation
Distillation
Filtration
Baking
18
Which set of elements are all radioactive
Halogens
Lanthanides
Transition metals
Actinides
19
The lowest energy level of each orbital is always filled first according to which rule?
Hund's Rule
The laws of gravity
Pauli'S Exclusion Principle
Auf Bau Principle
20
Maximum number of electrons in the orbitals of the d-subshell
6
4
8
10
21
The number of ________ determines whether an atom is an isotope
Neutrons
Quarks
Protons
Electrons
22
Which chemist can tell how soon you will feel the effects of an Excedrin for your migraine?
Organic chemist
Biochemist
Physical chemist
Analytical chemist
23
Most electronegative set of elements
Noble gases
Transition metals
Halogens
Alkali metals
24
The shape of the orbitals in the p-subshell
Amorphous
Dumb bell
Spherical
Clover leaf
25
The Planetary Atomic model was established by
Dalton
Schrodinger
Thomson
Rutherford