Physical Science, New York Edition

Chapter 17: Properties of Atoms and the Periodic Table

Self-Check Quiz.-Eng.

1.
Which of the following methods would be most useful for describing atoms?
A)visualizing with a microscope
B)observing in a test tube
C)constructing a model
D)touching with bare hands
2.
An atom containing six positive charges and six negative charges has __________ charge.
A)a positive
B)a negative
C)a strong negative
D)no net
3.
Scientists have broken down protons and neutrons into smaller particles called __________.
A)nuclei
B)quarks
C)vacuoles
D)isotopes
4.
Democritus believed that the universe was made of empty space and __________.
A)molecules
B)compounds
C)elements
D)atoms
5.
Atoms consist of a positively charged center called a(n) __________.
A)proton
B)neutron
C)electron
D)nucleus
6.
The negatively charged particles outside the nucleus of an atom are __________.
A)extracellular material
B)electrons
C)neutrons
D)quarks
7.
Which of the following atomic particles is electrically neutral?
A)neutron
B)proton
C)electron
D)positron
8.
Which of the following models of the atom reflects the unpredictable motion of the electron?
A)solid ball the same throughout
B)small ball within a large shell containing empty space
C)ball of raisin-cookie dough with raisins representing electrons
D)electron cloud
9.
Aristotle believed that matter was __________.
A)composed of atoms
B)uniform throughout
C)composed of molecules
D)capable of being broken down into smaller parts
10.
The discovery of the sixth quark was accomplished by __________.
A)using the <i>Hubble Space telescope</i>
B)bombarding gold foil with alpha particles
C)experimenting with a cathode ray tube
D)studying proton collisions
11.
Which of the following atomic particles is positively charged?
A)neutron
B)electron
C)proton
D)negatron
12.
What nineteenth-century English scientist offered proof that atoms existed?
A)Aristotle
B)Democritus
C)John Dalton
D)Isaac Newton
Physical Science - New York Edition
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