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Composition And Properties Of Matter (Part 1)
Test Description: Composition and Properties of Matter (Part 1)
Instructions: Answer all questions to get your test result.
1) ___________________ is physical substance, which takes up space and has mass.
A
Weight
B
Volume
C
Light
D
Matter
2) Matter has 3 common states or phases, and a less common 4th state or phase called PLASMA. Which of the following is NOT one of the 3 common states or phase of matter?
A
Solid
B
Both of these are a common state or phase of matter.
C
Liquid
D
Neither of these are a common state or phase of matter.
3) All matter is made up of very small ______________ and/or combinations of _______________.
A
atoms / particles
B
atoms / atoms
C
particles / particles
D
particles / atoms
4) Ancient Greek philosophers struggled with the question of matter more than 2,000 years ago. At the time, many thought that all matter is made up of only 4 elements: Earth, Fire, Water, and _________.
A
Iron
B
Air
C
None of These
D
Space
5) One philosopher named ____________________________ (460-370 BC) challenged the popular idea of matter and stated that all matter is made up of small solid objects, he called atomos, that cannot be divided, created, or destroyed.
A
Cleisthenes
B
Aristotle
C
Democritus
D
Themistocles
6) A(n) ________________ is the smallest piece of an element that still represents that element.
A
neutron
B
electron
C
particle
D
atom
7) In the late 1700's, English schoolteacher and scientist ______________________, was able to test the atomos theory of ancient Greece, and found some basic evidence to support the atomic theory.
A
James Chadwick
B
Stephen Hawking
C
Niels Bohr
D
John Dalton
8) In 1981, the invention of a high powered microscope called a(n) ___________________ enabled scientists to see the exterior of individual atoms for the first time.
A
Scanning Tunneling Microscope
B
Atomic Microscope
C
Electron Microscope
D
External Siting Microscope
9) The____________________ is the region at the center of an atom that contains most of the mass of the atom.
A
electron cloud
B
nucleus
C
nuclide
D
atomic core
10) A proton is a(n) _____________________________ in the nucleus of an atom.
A
negatively charged particle
B
neutrally charged particle
C
positively charged particle
D
uncharged particle
11) A(n) _________________________is an uncharged particle in the nucleus of an atom.
A
neutron
B
electron
C
proton
D
positron
12) A(n) _______________________________is a negatively charged particle that occupies space in an atom outside of the nucleus
A
positron
B
neutron
C
electron
D
proton
13) The ______________ model of an atom shows electrons moving in neat specific orbits around the nucleus. This is not truly accurate, as electrons bounce all over the place.
A
Bohr
B
Electron Cloud
C
Chadwick
D
Dalton
14) A(n )_____________________________________________is the region surrounding an atom’s nucleus where one or more electrons are most likely to be found.
A
electron path
B
electron cloud
C
electron orbital
D
valance electron
15) Electrons closer to the nucleus have ______________ than electrons farther away from the nucleus.
A
less energy
B
more energy
C
It depends on the element
D
the same amount of energy
16) Which of the following would express the charge of a single electron?
A
Zero
B
1-
C
2+
D
1+
17) Which of the following would express the charge of a single proton?
A
Zero
B
1-
C
2+
D
1+
18) Which of the following would express the charge of a single neutron?
A
2+
B
1-
C
1+
D
Zero
19) ____________________ is the relative mass of an electron compared to a proton and/or neutron
A
1/590
B
1/2
C
1/1,820
D
1/130
20) A(n) __________________________is a substance made from atoms that all have the same number of protons.
A
compund
B
nucleus
C
element
D
ion
*select an answer for all questions
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