Q2 Bell Work Test

44 Questions | By Msnance | Last updated: Mar 22, 2022 | Total Attempts: 41

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Test over quarter 2 bell work starting 10/21 through 12/8

Questions and Answers

1.

The principle quantum # (n) is the number of the energy level and tells us the ______ of the electron cloud
- A.
  
  Shape
- B.
  
  Size
- C.
  
  Orientation
2.

Which one correctly represents the 4 quantum #s for mercury (Hg)?
- A.
  
  4,1,1,-1/2
- B.
  
  4, 3, -3, 1/2
- C.
  
  5, 2, 2, -1/2
3.

The outer most electrons in an atom are called
- A.
  
  Valence
- B.
  
  Octet
- C.
  
  Quantum
4.

The idea that no 2 electrons can have the same set of quantum #s is called
- A.
  
  Graham's law
- B.
  
  Pauli's exclusion principle
- C.
  
  Heisenburg's Uncertainty Principle
5.

Who stated that matter is made up of waves and particles?
- A.
  
  Einstein
- B.
  
  De Broglie
- C.
  
  Dalton
6.

The ejection of electrons by metals when light shines on them is called
- A.
  
  The photoelectric effect
- B.
  
  The cathode ray tube experiment
- C.
  
  The gold foil experiment
7.

What is a bundle of light energy?
- A.
  
  Quantum
- B.
  
  Photon
- C.
  
  Quark
8.

The quantum mechanical model of the atom___
- A.
  
  Defines the exact path of an electron
- B.
  
  Was proposed by Bohr
- C.
  
  Involves probability of finding an electron in a certain position
9.

What is the energy needed to remove an electron?
- A.
  
  Ionization energy
- B.
  
  Electronegativity
- C.
  
  Atomic radius
10.

The elements with atomic #'s 58-71 are called the
- A.
  
  Alkali metals
- B.
  
  Halogens
- C.
  
  Transition metals
11.

Atoms will gain or lose electrons in order to
- A.
  
  Form ionic bonds
- B.
  
  Form covalent bonds
- C.
  
  Complete an octet
12.

A positive ion is called
- A.
  
  Anion
- B.
  
  Isotope
- C.
  
  Cation
13.

Which of the following group #, valence electrons, and charge is correct?
- A.
  
  Group 15, 5, 3-
- B.
  
  Group 15, 5, 5+
- C.
  
  Group 15, 15, 3-
14.

A phosphorus atom needs to gain ______ electrons to achieve a stable octet
- A.
  
  5
- B.
  
  3
- C.
  
  15
15.

What is a compound made up of two elements?
- A.
  
  Binary
- B.
  
  Polyatomic
- C.
  
  Ternary
16.

What represents the charge on transition metals?
- A.
  
  Exponents
- B.
  
  Subscripts
- C.
  
  Roman numerals
17.

To neutralize an acid burn, the safest substance to use would be
- A.
  
  Alcohol
- B.
  
  Strong base
- C.
  
  Baking soda
18.

The proper method for treating a hot glass burn would be
- A.
  
  Cold water
- B.
  
  Butter
- C.
  
  Baking soda
19.

Which of the following is homogeneous?
- A.
  
  Milk
- B.
  
  Sugar water
- C.
  
  Paper
20.

Which of the following is heterogeneous?
- A.
  
  Sugar
- B.
  
  Air
- C.
  
  Ice cream (yummy :)
21.

The majority of elements are
- A.
  
  Metals
- B.
  
  Nonmetals
- C.
  
  Metalloids
22.

An example of a physical change would be
- A.
  
  Ice melting
- B.
  
  Wood burning
- C.
  
  Iron rusting
23.

An extensive property would be
- A.
  
  Malleability
- B.
  
  Solubility
- C.
  
  Mass
24.

An insoluble substance that forms during a chemical reaction that might make your solution cloudy is called a(n)
- A.
  
  Precipitate
- B.
  
  Solute
- C.
  
  Impurity
25.

The substance that you start with in a chemical reaction is called
- A.
  
  Ingredients
- B.
  
  Products
- C.
  
  Reactants