Glencoe Physical Science

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 Hubble Space telescope
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
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