stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Atoms & Periodic Table Review Flashcards | StudBud
Explore
/
Atoms & Periodic Table Review
Atoms & Periodic Table Review
50 terms
·
StudBud Administration
·
163 plays
Imported from external platform
Flashcards
50 cards
F
Practice quiz
P
Host live
L
Questions
50
Answers
1
Sometimes called an "educated guess"
Theory
Hypothesis
Both Hypothesis and Theory
2
An explanation of an observed phenomena
Theory
Both Hypothesis and Theory
Hypothesis
3
This is a subatomic particle with no charge and a mass of 1 amu.
Electons
Protons
Neutrons
4
A carbon-12 atom has 6 protons, 6 neutrons, and 6 electrons. How many
protons
does a carbon-14 atom have?
8
6
14
12
5
This is an atom that has lost or gained
electrons
.
isotope
ion
6
This is the weighted average of all of the isotopes of an element.
Atomic Mass
Atomic Number
7
In metals, lost during bonding
Proton
Electron
Neutron
8
A testable statment
Both Hypothesis and Theory
Hypothesis
Theory
9
This is a property of solid metals. Capable of being shaped or formed, by hammering or pressure.
density
ductility
malleability
moldability
10
Periodic table is set up based on the number of theses
Neutron
Proton
Electron
11
What is the number of protons in an atom of sodium?
12
11
11.9897
23
12
Atoms of the same element with varying number of
neutrons
.
isotope
ion
13
Comes and goes in the thousands
Hypothesis
Both Hypothesis and Theory
Theory
14
One of a class of elements having properties intermediate to metals and nonmetals.
Metal
Nonmetal
Metalloid
15
Not a hunch or an educated guess
Theory
Both Hypothesis and Theory
Hypothesis
16
Over 99% of the mass of an atom is located
in the protons.
in the nucleus.
in the electron cloud.
in the neutrons.
17
A horizontal row of elements in the periodic table.
Group
Period
18
Can be modified
Hypothesis
Theory
Both Hypothesis and Theory
19
The atoms in a sample of carbon must contain nuclei with the same number of
Neutrons
Protons
Electons
20
This is the highly reactive group 17 family of elements with 7 valence electrons.
Alkaline Earth Metals
Noble Gases
Halogen
Alkali Metals
21
A vertical columns of elements in the periodic table.
Group
Period
22
All of the statements are
true
about the arrangement of elements in the periodic table
EXCEPT
that the
transition metals are in the center of the periodic table.
rare earth elements are in the first column, on the left.
metals are found on the left side of the periodic table.
inert gases are in the group farthest to the right.
23
This is a group of protons and neutrons in the center of all atoms.
electron cloud
nucleolus
nucleus
proton cloud
24
Which statement is the BEST definition of an atom?
A substance that cannot be broken down chemically into simpler substances.
Anything that has mass and occupies space.
The smallest particle that has the properties of an element.
The smallest unit of a substance that exhibits all of the properties
25
This is the basic building block of all matter.
electron
atom
cell
proton
26
This is the first element in the periodic table, atomic number is one.
Sodium
Neon
Helium
Hydrogen
27
These are the Group 3 and are dense metals with high boiling points.
Noble Gases
Transition Metals
Alkaline Earth Metals
Alkali Metals
28
These are the reactive elements located in Group 2 of the periodic table.
Noble Gases
Alkali Metals
Transition Metals
Alkaline Earth Metals
29
MOST elements on the periodic table are
Metals
Metalloids
Nonmetals
30
A description of natural events that has been proven to be true time after time, without exception.
This describes
a theory.
data.
a law.
a conclusion.
31
Gives the identiy of the atom
Electron
Neutron
Proton
32
When can a scientific theory be changed?
after another scientist does an experiment
never; once it is a law or theory it is impossible to change
after many experiments and much more data has been collected
when new technology is developed
33
This is a group of elements with few valence electrons that conducts heat and electricity.
Metals
Metalloids
Nonmetals
34
This is a subatomic particle with a negative charge and very little mass.
Electon
Neutron
Proton
35
This is an element with full valence shell, very unreactive.
Noble Gases
Alkaline Earth Metals
Halogen
Alkali Metals
36
This is a subatomic particle with a positive charge and a mass of 1 amu.
Electons
Protons
Neutrons
37
A _ predicts overall natural events in general terms, while a _ is a very specific prediction based on one circumstance.
law; theory
theory; hypothesis
law; hypothesis
hypothesis; theory
38
This is a subatomic particle with a negative charge and very little mass.
Electons
Protons
Neutrons
39
These are the highly reactive elements located in Group 1 of the periodic table.
Noble Gases
Alkali Metals
Alkaline Earth Metals
Transition Metals
40
This is a type of element that has many valence electrons, not a conductor.
Metalloid
Nonmetal
Metal
41
Slightly larger than a proton
Electron
Neutron
Proton
42
Describe the composition of the nucleus of an atom.
It is composed of protons and electrons.
It is composed of protons.
It is composed of protons, neutrons, and electrons.
It is composed of protons and neutrons.
43
How many neutrons are in a typical Beryllium nucleus?
9
3
4
5
44
The gold foil experiment showed the researchers that the atom is made mostly of
neutrons.
empty space.
protons.
electrons.
45
Responsible for bonding
Electron
Proton
Neutron
46
This is the number of protons.
Atomic Mass
Atomic Number
47
The mass of the electron is
almost the same as the proton.
very small compared to the proton.
about equal to the neutron.
very large compared to the neutron.
48
An atom of the element ____________has an average atomic mass of about 16 amu
sulfur
no elements have that mass
nitrogen
oxygen
49
A
-Bohr's model,
B
-J. J. Thomson's model,
C
-Dalton's atomic theory,
D-
Rutherford's
Place in chronological order
B, C, A, D
A, B, C, D
D, B, C, A
C, B, D, A
50
Can be supported or rejected
Hypothesis
Both Hypothesis and Theory
Theory
