Chemistry Quiz - Level 2

16 Questions | By Mrtpitiesthefool | Updated: Mar 18, 2022 | Attempts: 870

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You survived the Level 1 quiz, but can you master the Level 2 quiz. . . . . Of DEATH!? Enter at your own peril. . . . . . . . But you have to do it, so. . . . You need 68% to pass. Remember to take a screen shot of your results!

Questions and Answers

1.

Atoms are neutral because they have _______________ ?
- A.
  
  The same number of protons and neutrons
- B.
  
  The same number of electrons and neutrons
- C.
  
  The same number of protons and electrons
- D.
  
  Different numbers of protons and neutrons
2.

Atoms or groups of atoms with a charge are called ions.
- A.
  
  True
- B.
  
  False
3.

Ions are created by gaining or losing _________________?
- A.
  
  Electrons
- B.
  
  Protons
- C.
  
  Neutrons
- D.
  
  Atoms
4.

By using the Periodic Table, we can predict the charge of an ion that a particular atom will create. What information on the periodic table helps with this prediction?
- A.
  
  Atomic Number
- B.
  
  Mass Number
- C.
  
  Period Number
- D.
  
  Group Number
5.

Flourine, Chlorine and Bromine will all form ions with what charge?
- A.
  
  +1
- B.
  
  +2
- C.
  
  -1
- D.
  
  -2
6.

The formula for Magnesium Chloride is *Number in the answers below should be sub-script (ie small and below the letters)
- A.
  
  MgCl
- B.
  
  Mg2Cl3
- C.
  
  MgCl2
- D.
  
  Mg2Cl
7.

Avagadro's Number is based on which element?
- A.
  
  Carbon
- B.
  
  Nitrogen
- C.
  
  Oxygen
- D.
  
  Hydrogen
8.

Avogadros Number is
- A.
  
  6.1023
- B.
  
  6.02 x 10^23
- C.
  
  6000000001023
- D.
  
  6.10 x 23
9.

Calculate the number of moles in 36.8 grams of Oxygen
10.

Calculate the mass of 3.6 moles of Iron (units NOT required in answer)
11.

What is the Molecular Mass of NaCl? (units NOT required in answer)
12.

Non-Metal atoms join together with which type of bond?
- A.
  
  Covalent
- B.
  
  Metallic
- C.
  
  Ionic
- D.
  
  Strong
13.

In metallic bonds, the electrons are often free to move through the material. This relates to which property of metals?
- A.
  
  Strength
- B.
  
  Luster
- C.
  
  Electrical Conductivity
- D.
  
  Malleability
14.

Bonding occurs as it helps make the atoms more stable?
- A.
  
  True
- B.
  
  False
15.

Ionic bonds occur between ________________?
- A.
  
  Metal atoms
- B.
  
  Non-Metal atoms
- C.
  
  Metal and Non-Metal atoms
- D.
  
  Atoms of the same element
16.

Covalent Molecular substance have weak inter-molecular bonds. This results in which property?
- A.
  
  Low melting and boiling points
- B.
  
  High melting and boiling points
- C.
  
  Brittle materials
- D.
  
  Strong materials