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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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8th Grade Physical Science
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
Which group contains the most elements?
Metals
Halogens
Noble Gases
Nonmetals
2
Nonmetals are ____________________ conductors of heat and electricity.
Excellent
Poor
3
The modern periodic table is organized according to
Atomic Number
Element Symbol
Valence Electrons
Name
4
The horizontal rows in the periodic table are known as ____________________.
Sections
Families
Groups
Periods
5
The elements that do not ordinarily form compounds are _____.
Group 4
Noble Gases
Halogens
Metals
6
____________________ have no charge; they are neutral.
Neutrons
Atoms
Electrons
Protons
7
The elements in a group of the periodic table have ____________________ characteristics.
Similar
Different
8
Metals can be drawn into wires without breaking are _______
Brittle
Malleable
Ductile
Stripped
9
________ is a small particle that makes up most types of matter.
Proton
Cell
Atom
Electron
10
The majority of elements are ________.
Gases
Metalloids
Metals
Nonmetals
11
Who is the philosopher that made one of the earliest descriptions of an atom?
Democritus
Newton
Lavoisier
Kashyapa
12
What information in the periodic table indicates the number of protons in an atom?
the element’s chemical symbol
the position of the element in its column
the element’s atomic number
the element’s atomic mass
13
Most metals are ________ at room temperature.
Crystal
Gas
Liquid
Solid
14
________ is the number of protons plus the number of neutrons.
Mass Number
Isotope
Element Number
Atomic Number
15
________ are dull and brittle.
Metals
Nonmetals
Gases
Liquids
16
Outer energy level of an atom can hold a maximum of ____ electrons, except hydrogen and helium.
2
18
8
22
17
Which is not a noble gas?
Helium
Oxygen
Neon
Argon
18
________ are tiny, negatively charged particles with mass.
Neutron
Protons
Electron
Atoms
19
If an element has an atomic mass of 20 and has 10 protons, how many neutrons does it have?
20
5
10
2
20
Fluorine, chlorine, bromine, and iodine are part of a family called _____.
Transitional Metals
Halogens
Noble Gases
Alkali Metals
21
________ is the positively charged central part of the atom.
Proton
Neutron
Electron
Nucleus
22
Which particles in atoms have a negative electric charge?
Nucleus
Neutrons
Electrons
Protons
23
A material is said to be ductile if it _____.
is a mixture of a metal with at least one other element
can be pulled out, or drawn, into a long wire
can transfer heat or electricity to another material
can be hammered or rolled into flat sheets and other shapes
24
In an normal atom, the number of protons equals the number of _____.
Isotopes
Neutrons
Nuclei
Electrons
25
________ are good conductors of heat and electricity.
Nonmetals
Metals
Gases
Metalloids
26
How many elements are there?
84
118
100
125
27
Each element is given a specific _________________ that usually consists of one or two letters.
Symbol
Number
Atomic Number
Name
28
________ organizes and displays information about the elements.
Periodic Table
Law of conservation of matter
Solar Model
Atomic theory of matter
29
The elements in a column of the periodic table _____.
have similar symbols
are in the same period
have similar properties
have the same mass
30
________ are found on the right side of the periodic table.
Nonmetals
Metalloids
Metals
Synthetics
31
The maximum number of electrons the third level of an atom can hold is _____.
32
8
18
2
32
________ is the number found below the element symbol.
Symbol
Atomic Number
Element name
Atomic Mass
33
________ is the top number above the element symbol.
Element symbol
Atomic Mass
Atomic Number
Atomic Weight
34
________ are positively charged particles in the nucleus.
Neutrons
Protons
Electrons
Atoms
35
Which group of elements shares characteristics with both metals and nonmetals?
Halogens
Lanthanides
Salts
Metalloids
