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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
37 cards
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Practice quiz
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Questions
37
Answers
1
What information in the periodic table indicates the number of protons in an atom?
the position of the element in its column
the element’s atomic mass
the element’s atomic number
the element’s chemical symbol
2
Nonmetals are ____________________ conductors of heat and electricity.
Excellent
Poor
3
The horizontal rows in the periodic table are known as ____________________.
Periods
Families
Sections
Groups
4
Outer energy level of an atom can hold a maximum of ____ electrons, except hydrogen and helium.
8
22
2
18
5
Which group of elements shares characteristics with both metals and nonmetals?
Salts
Metalloids
Lanthanides
Halogens
6
A material is said to be ductile if it _____.
can be hammered or rolled into flat sheets and other shapes
is a mixture of a metal with at least one other element
can transfer heat or electricity to another material
can be pulled out, or drawn, into a long wire
7
________ are dull and brittle.
Nonmetals
Gases
Liquids
Metals
8
Each element is given a specific _________________ that usually consists of one or two letters.
Number
Name
Symbol
Atomic Number
9
________ is the number of protons plus the number of neutrons.
Mass Number
Element Number
Isotope
Atomic Number
10
________ is the positively charged central part of the atom.
Nucleus
Neutron
Proton
Electron
11
Most metals are ________ at room temperature.
Crystal
Gas
Solid
Liquid
12
________ is the number found below the element symbol.
Element name
Atomic Number
Atomic Mass
Symbol
13
Which particles in atoms have a negative electric charge?
Nucleus
Neutrons
Electrons
Protons
14
The majority of elements are ________.
Nonmetals
Metalloids
Metals
Gases
15
Which is not a noble gas?
Neon
Oxygen
Argon
Helium
16
The maximum number of electrons the third level of an atom can hold is _____.
8
32
18
2
17
Which group contains the most elements?
Nonmetals
Noble Gases
Metals
Halogens
18
____________________ have no charge; they are neutral.
Atoms
Protons
Neutrons
Electrons
19
If an element has an atomic mass of 20 and has 10 protons, how many neutrons does it have?
10
2
5
20
20
________ are tiny, negatively charged particles with mass.
Protons
Neutron
Electron
Atoms
21
The elements that do not ordinarily form compounds are _____.
Group 4
Noble Gases
Halogens
Metals
22
Metals can be drawn into wires without breaking are _______
Brittle
Ductile
Malleable
Stripped
23
________ organizes and displays information about the elements.
Atomic theory of matter
Periodic Table
Solar Model
Law of conservation of matter
24
________ are positively charged particles in the nucleus.
Neutrons
Protons
Electrons
Atoms
25
________ is the top number above the element symbol.
Element symbol
Atomic Number
Atomic Mass
Atomic Weight
26
The elements in a group of the periodic table have ____________________ characteristics.
Similar
Different
27
________ is a small particle that makes up most types of matter.
Cell
Electron
Atom
Proton
28
Fluorine, chlorine, bromine, and iodine are part of a family called _____.
Alkali Metals
Halogens
Transitional Metals
Noble Gases
29
Most reactive metal?
nobel
halogen
transition
alkaline
30
________ are found on the right side of the periodic table.
Metalloids
Metals
Nonmetals
Synthetics
31
The elements in a column of the periodic table _____.
have similar properties
have the same mass
have similar symbols
are in the same period
32
In an normal atom, the number of protons equals the number of _____.
Neutrons
Nuclei
Electrons
Isotopes
33
The modern periodic table is organized according to
Element Symbol
Valence Electrons
Name
Atomic Number
34
Who is the philosopher that made one of the earliest descriptions of an atom?
Kashyapa
Newton
Lavoisier
Democritus
35
________ are good conductors of heat and electricity.
Metals
Nonmetals
Gases
Metalloids
36
How many elements are there?
118
100
125
84
37
How many valence electrons are in an element in period 5, group 16?
5
6
2
3
