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6th Grade Science Chapter 4: Atoms, Elements, and the Periodic Table Flashcards | StudBud
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6th Grade Science Chapter 4: Atoms, Elements, and the Periodic Table
Who first penned the word "atom?"
Is air homogenous or heterogenous?
6th Grade Science Chapter 4: Atoms, Elements, and the Periodic Table
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1
Is air homogenous or heterogenous?
heterogenous
homogenous
2
Who first penned the word "atom?"
Lavoisier
Rutherford
JJ Thomson
Democritus
3
What kind of elements are most numerous?
metalloids
nonmetals
metals
4
What is a positively charged subatomic particle?
proton
nucleus
neutron
electron
5
The elements are arranged in what kind of order of proton arrangement in the periodic table?
chronological order
descending order
alphabetical order
numerical order
6
Where are the protons and neutrons located in an atom?
outer levels
first energy level
electron cloud
nucleus
7
What is the scientific abbreviation of each element called?
mass number
atomic symbol
atomic mass
atomic number
8
What is the ability to bend metal and pound it into sheets?
synthesis
luster
ductility
malleability
9
What is it when two or more substances come together to make a new substance but don't combine?
mixture
compound
formula
element
10
What is the atomic mass rounded to the nearest whole number called?
atomic weight
atomic mass
weight number
mass number
11
Do metals, metalloids, or nonmetals possess a shiny or metallic luster?
nonmetals
metals
metalloids
12
What is a negatively charged subatomic particle?
nucleus
proton
electron
neutron
13
Who is the French scientist responsible for the Law of Conservation of Matter?
Rutherford
Lavoisier
Kepler
Bohr
14
What kind of elements are the human body primarily made of?
metalloids
metals
nonmetals
15
If an atom has 22 protons and 26 neutrons, what is the atom's mass number?
44
26
46
22
16
Are metals, metalloids, or nonmetals found on the upper right side of the periodic table?
nonmetals
metalloids
metals
17
Are the elements within a series arranged horizontally or vertically on the periodic table?
vertically
horizontally
18
What is a mixture that has larger parts that are different from each other?
compound
heterogenous
homogenous
matter
19
If an atom's atomic number is 27 and its atomic mass is 46.765, how many electrons are there?
27
47
26
20
20
What kind of elements are poor conductors of heat and electricity?
metalloids
metals
nonmetals
21
What is matter that has the same composition and properties throughout?
mixture
compound
homogenous
substance
22
What are atoms with the same atomic number but with a different number of neutrons?
elements
mixtures
copounds
isotopes
23
What is the ability to draw metal into wire without breaking?
ductility
synthesis
luster
malleability
24
What is the weighted average mass of an element's isotopes?
mass number
atomic number
atomic symbol
atomic mass
25
Which compound has 3 atoms of hydrogen for every atom of nitrogen?
N3H3
NH3
N3H
26
What is a substance that is made up of more than one element bonded together?
mixture
element
compound
substance
27
Who thought electrons were arranged around the nucleus in energy levels?
Kepler
Rutherford
Lavoisier
Bohr
28
What is anything that has mass and takes up space?
substance
element
matter
atom
29
What are atoms with the same atomic number but with different number of neutrons?
isotopes
elements
mixtures
substances
30
What elements are made in particle accelerators by scientists?
natural
unnatural
synthetic
science fiction
31
In the formula H
2
O what do we call the
2
between the H and the O?
subscript
atomic symbol
formula
superscript
32
What kind of elements are good conductors of heat and electricity?
metals
metalloids
nonmetals
33
What is the number of protons plus the number of neutrons in the nucleus of each atom?
atomic mass
atomic number
mass number
atomic symbol
34
What are the small particles that make up all kinds of matter?
substances
matter
atoms
elements
35
What elements have the characteristics of metals and nonmetals and are located between the two?
elements
mixtures
compounds
metalloids
36
What kind of elements are found in the center and the right side of the periodic table?
nonmetals
metalloids
metals
37
If an atom has 14 electrons, how many protons does it have?
7
not enough information
21
14
38
What percent is the human body composed of nonmetals?
50%
75%
97%
95%
39
What word comes from a Greek word meaning "cannot be divided"?
atom
matter
substance
compound
40
What is the number of protons in the nucleus of each atom of an element?
atomic symbol
atomic mass
mass number
atomic number
41
What are the vertical columns of the periodic table called?
families
periods
neighbors
groups
42
What is a center of the atom called?
electron
nucleus
neutron
proton
43
What is a chart to help organize and display facts about elements?
table
periodic table
graph
chart
44
If an atom has an atomic number of 4 and an atomic mass of 9.012, how many protons are there?
5
9
4
45
What is a subatomic particle that has no charge, neutral?
electron
neutron
proton
nucleus
46
Where are the electrons located in an atom?
nucleus
outer levels
electron cloud
first energy level
47
Who used the cathode ray tube to discover electrons, negatively charged subatomic particles?
Kepler
Lavoisier
JJ Thomson
Rutherford
48
What shows which elements and how many atoms of each make up a compound?
atomic number
atomic mass
atomic symbol
formula
49
What kind of elements are (all but one) solid at room temperature?
metalloids
nonmetals
metals
50
Are the elements within a group arranged horizontally or vertically on the periodic table?
horizontally
vertically
51
Who discovered the positively charged central part of the atom?
Rutherford
Lavoisier
JJ Thomson
Democritus
52
Matter is not created or destroyed--it only changes form, is what scientific law?
Preservation of Matter
Law of Conservation of Matter
Conservation of Atoms
53
What are the horizontal rows of the periodic table called?
groups
neighbors
periods
families
54
What is matter made up of only one kind of atom?
atom
element
series
group
55
What is the mass of an object divided by its volume (D = M/V)?
heterogenous
density
homogenous
mass number
56
What is a subatomic particle that has no charge; it is neutral?
neutron
nucleus
proton
electron
57
If you can see a mixture's individual parts, is it homogenous or heterogenous?
heterogenous
homogenous
