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Atom & Periodic Table
Atom & Periodic Table
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8th Grade Periodic Table Atom
Flashcards
24 cards
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Practice quiz
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Questions
24
Answers
1
The metals are mostly ___ at room temperature.
liquids
solids
gases
2
The columns in the Periodic Table are called:
columns, dah!
Group/Family
rows
Periods
3
The number of protons in an atom is also called the ________.
Atomic Number
Symbol of the element.
Atomic Mass
Mass Number
4
Which atomic particle is labeled with the letter A?
Electrons
protons
Neutrons
5
Which atomic structure is labeled with the letter C?
Protons
Nucleus
Neutrons
Electrons
6
The number of _____ inside an atom determines what kind of element the atom is.
Electrons
Protons
Neutrons
7
The atomic number is the same as:
the atomic mass.
the amount of protons.
the atomic weight.
the amount of neutrons.
8
There are ____ unique elements arranged in the Periodic Table.
60
infinite amount of
118
181
9
Atomic particles located in the nucleus.
Protons, Neutrons & Electrons
Protons & Electrons
Protons & Neutrons
Electrons & Neutrons
10
Atomic particle with negative charge.
nucleus
Neutron
Proton
Electron
11
What is the atomic number of Carbon?
12.011
6
12.011 - 6
12.011 + 6
12
Atomic Particle with no electrical charge:
Neutron
Electron
Nucleus
Proton
13
Located around the nucleus:
Electrons
Protons
Neutrons
14
How many protons does an atom of Carbon have?
12
Not enough information available.
12.011
6
15
Deathly Sodium (Na) + Lethal Chlorine gas (Cl) = ______
Table Salt
Poison
Harmful Gas
16
Elements are organized in the periodic table...
by decreasing atomic numbers.
in the order they were discovered.
based on similar atomic mass.
based on similar properties.
17
Most of these elements are gases and poor conductors of heat and electricity.
Rare Elements
Metals
Nonmetals
Metalloids
18
About 3/4 of the elements are:
Metals like Calcium
Metals like Helium
Nonmetals like Carbon
Nonmetals like Gold
19
Elements in the same group share similar chemical properties.
False, that happens only to elements in the same row.
False, they are not arranged by their properties.
True, that's why a group is also called a period.
True, that's why a group is also called a family.
20
A row of elements in the periodic table whose properties change gradually and predictably:
Period
Group
Column
Family
21
Most elements fall into this classification
gases
metalloids
metals
nonmetals
22
Building blocks of matter:
atoms
cells
protons
organelles
23
A period contains elements in order of increasing atomic number (from left to right).
False
True
24
Malleable and good conductors of electricity:
Metals like Copper
Metals like Hydrogen
Nonmetals like Silver
Nonmetals like Tin
