Can You Pass This Toughest Chemistry Exam? Trivia Quiz
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- 1.Atoms of the same element with different numbers of neutrons are called____.
- A.
Isotopes
- B.
Metals
- C.
Metalloids
- D.
Radioactive elements
- 2.A certain atom has 38 protons, 38 electrons, and 50 neutrons. Its mass number is ____.
- A.
12
- B.
38
- C.
88
- D.
126
- 3.Why are the nobles gases stable?
- A.
They were used by monarchies throughout history
- B.
They have a full number of outer electrons
- C.
They will not gain or lose electrons
- D.
Only b and c
- E.
All choices are correct
- 4.An atom with a different number of electrons than protons is a(n) ____.
- A.
Isotope
- B.
Atom
- C.
Ion
- D.
Nucleon
- 5.What periods and group, respectively, is barium found in?
- A.
6, 1
- B.
5, 2
- C.
2, 6
- D.
6, 2
- 6.Given the following information 12853I, how many electrons are present?
- A.
75
- B.
128
- C.
53
- D.
127
- 7.An atom is held together by the interactions of:
- A.
Protons and electrons
- B.
Protons and protons
- C.
Neutrons and electrons
- D.
All of the choices
- 8.An atom that has gained two electrons would have what charge?
- A.
-2
- B.
+2
- C.
-6
- D.
Neutral
- 9.Krypton is considered an inert atom. What makes Krypton such a stable atom?
- A.
8 electrons in the outer shell
- B.
More negative than positive charge
- C.
More positive than negative charge
- D.
None of the choices are correct
- 10.Atoms found in period 4, group16 are considered to be ...
- A.
Metalloids
- B.
Metals
- C.
Non-metals
- D.
Mental
- 11.In an atom, the atomic number is useful because a physical science student can determine the ...
- A.
Number of protons.
- B.
Number of quarks.
- C.
Atomic mass.
- D.
Ionic charge.
- 12.Current uses of nuclear energy are beneficial to humankind except for the:
- A.
Carbon dioxide pollution.
- B.
Dangerous waste products.
- C.
Efficient production of energy.
- D.
Limited amount of fuel.
- 13.For the element represented by 12752Te , calculate the new mass if it were to lose 4 neutrons.
- A.
124
- B.
52
- C.
123
- D.
48
- 14.How many valence electrons are found in oxygen?
- A.
6
- B.
2
- C.
8
- D.
Not enough information to determine
- 15.All atoms of a specific element have the same number of:
- A.
Ions
- B.
Protons
- C.
Neutrons
- D.
Electrons
- 16.The atomic mass of an atom is determined by the weight of:
- A.
Neutrons and protons
- B.
Neutrons and electrons
- C.
Protons and electrons
- D.
Protons only
- E.
Neutrons only
- 17.The splitting of an atom’s nucleus which releases a large amount of energy is called:
- A.
Fusion
- B.
Atomic lysis
- C.
Quark dispersement
- D.
Fission
- 18.Three of the four are BENEFITS of nuclear applications. Select the ONE that is NOT.
- A.
Detecting cancer
- B.
Risks of radiation exposure
- C.
Low carbon dioxide emissions
- D.
Abundant energy
- 19.When the nucleus of small atoms like Hydrogen are combined, a large amount of energy is released. Describe this process.
- A.
Fission
- B.
Nuclear emission
- C.
Fusion
- D.
Colloidal interactions
- 20.Three examples of physical changes are ____.
- A.
Freezing of water, evaporation of gasoline, and rusting of a nail
- B.
Boiling of water, bursting of a baloon, and melting of a candle
- C.
Sawing of wood, crushing of a can, and toasting a marshmallow
- D.
Burning of gasoline, rotting of an egg, and exploding of fireworks
- 21.The shape of an apple is a ____.
- A.
Chemical change
- B.
Chemical property
- C.
Physical change
- D.
Physical property
- 22.Molecules differ from atoms because ____.
- A.
Molecules form from electron sharing
- B.
Atoms form by covalent bonding
- C.
Molecules have a positively charged center called a nucleus
- D.
Atoms are composed of two elements
- 23.An atom is ____.
- A.
The smallest particle of an element that still retains the properties of the element
- B.
A substance formed from two or more elements
- C.
A neutral particle that forms as a result of electron sharing
- D.
A substance with atoms that are all alike
- 24.When two or more substances are combined so that each substance maintains its own properties, the result is a(n) ____.
- A.
Chemical change
- B.
Element
- C.
Compound
- D.
Mixture
- 25.All matter can be divided into these two larger sub divisions of _______________.
- A.
Pure substances and compounds
- B.
Pure substances and mixtures
- C.
Mixtures and elements
- D.
Elements and atoms.
Questions: 10 | Attempts: 37231 | Last updated: Jun 23, 2020
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Sample QuestionAll matter consists of particles called________________.
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Sample QuestionAn alloy is:
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Sample QuestionIs the molecule shown chiral or achiral?
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