Chapter 12.1/12.2 & Element #2

18 Questions | By Passajb | Updated: Mar 21, 2022 | Attempts: 88

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This quiz is designed to test student's mastery of Chapter 12, sections 1 & 2. This quiz also checks student's memorization of element symbol set #2.

Questions and Answers

1.

An element's properties can be predicted from its
- A.
  
  Number of protons.
- B.
  
  Number of neutrons.
- C.
  
  Atomic mass.
- D.
  
  Location in the periodic table.
2.

A(n) __________ is a positively charged particle in an atom's nucleus.
- A.
  
  Electron
- B.
  
  Plasma
- C.
  
  Neutron
- D.
  
  Proton
3.

Which of the following is NOT a characteristic of most metals?
- A.
  
  Brittle
- B.
  
  Good conductors of heat and electricity
- C.
  
  Ductile
- D.
  
  Malleable
4.

Mendeleev created the first
- A.
  
  Chemical reaction.
- B.
  
  Metal alloy.
- C.
  
  Periodic table.
- D.
  
  Semiconductor.
5.

Which of the following are examples of physical changes of matter?1- A firefly glows.2- Wood burns.3- Steam condenses.4- A nail rusts.
- A.
  
  1 & 2 only
- B.
  
  2 only
- C.
  
  1, 2, & 4 only
- D.
  
  None of these.
6.

Xe
7.

Iron
8.

Silver
9.

Mercury
10.

Tungsten
11.

Cu
12.

Bromine
13.

Sn
14.

Au
15.

The formula for finding density is:
- A.
  
  Volume/mass
- B.
  
  Mass/volume
- C.
  
  Volume X mass
- D.
  
  Mass/weight
16.

Which class of elements are brittle and not good conductors of heat and electricity?
- A.
  
  Metals
- B.
  
  Nonmetals
- C.
  
  Organic compounds
- D.
  
  Rare earth metals
17.

Uranium has an atomic number of 92 and an atomic mass of 236. Which of the following statements is true about an atom of uranium?a- It has 236 protons.b- It has 92 neutrons.c- It has 144 neutrons.d- It has 144 protons.
- A.
  
  A
- B.
  
  B
- C.
  
  C
- D.
  
  D
18.

Most of the atom's mass is contained in the ______.
- A.
  
  Nucleus
- B.
  
  Electron cloud
- C.
  
  Energy level
- D.
  
  Shell