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Atoms and the Periodic Table
Atoms and the Periodic Table
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Middle Schools Science, periodic table, very basic. Also a few atom questions.
Flashcards
26 cards
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Questions
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Answers
1
The letters in the middle of the rectangles on the periodic table are called the:
atomic number
number of neutrons
atomic weight
atomic symbol
2
Most of the periodic table is:
non-metals
metals
semi-metals or metalloids
3
The Lanthanides and Actinides are taken out of the periodic table because:
It makes it prettier.
the lanthanides do not like the metals
It makes it easier to use in books and on screens.
scientist are mean
4
Why was Mendeleev's periodic table not complete?
Some of the elements were not discovered yet.
The table was wrong
He was wrong in organizing the table
He wanted to trick other scientists.
5
The elements are organized according to the number of :
protons and electrons and neutrons
electrons or protons
neutrons
neutrons and protons
6
The horizontal rows are
named
numbered
7
Electrons have:
tons of mass
1 amu mass
no real mass
some mass
8
The horizontal rows are called:
Rows
Periods
Families
Groups
9
Isotopes are an element that:
has more <br>or less neutrons
has more or less electrons
has more or less protons
has the same protons, neutrons and electrons
10
Who discovered how the elements are organized?
Stephen Hawking
Dimitri Mendeleev
Albert Einstein
Neils Bohr
11
My favorite part of Thanksgiving is:
Turkey
No school
Mashed potatoes and gravy
Pie
12
Hydrogen is :
a large atom
the smallest atom
a medium sized atom
13
Neutrons have a charge that is:
postive
negative
neutral
explosive
14
The Noble Gases Group is :
very reactive!
reactive
Almost non-reactive
inert
15
The periods are organized by:
neutrons
nucleus
shells
electrons
16
The periodic table organizes the :
electrons
elements
protons
rocks
17
Electrons are found in the :
electron cloud
in pairs
nucleus
18
Protons have a charge that is :
neutral
positive
negative
19
The number at the top of each rectangle on the periodic table is the:
atomic weight
atomic symbol
atomic number
the number of neutrons
20
Black Friday:
scary
so fun!
okay
crazy
21
An element is :
not made in labs
make up all the matter in the universe
does not make up matter
not found in nature
22
The Noble Gases were discovered first and easily.
True
False
23
Hydrogen has an atomic weight of :
100 amu
1 amu
1000 amu
10 amu
24
The number at the bottom of the rectangles on the periodic table are called the:
atomic name
atomic weight
atomic number
atomic symbol
25
The nucleus hold the
Protons and neutrons
neutrons only
electrons
protons only
26
All of these are groups,
except:
Alkali Metals
Noble Gases
Iridescence
Halogens
