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The Atom and Periodic Table Flashcards | StudBud
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The Atom and Periodic Table
The Atom and Periodic Table
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the atom
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Questions
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Answers
1
Use your periodic tables to identify which of the following elements is a metal.....
Boron
Sodium
Silicon
Hydrogen
2
What formula is used to calculate the number of NEUTRONS in an atom?
Atomic Number - Atomic Mass
Atomic Mass - Atomic Number
3
What charge does an electron have?
positive
no charge
negative
neutral
4
Each horizontal row in the periodic table is called a.....
Family
Period
Group
Metal
5
The mass of an electron is less than the mass of a proton.
True
False
6
How many neutrons are in this Neon atom....
5
30
20
10
7
Name that element!
Nitrogen
Boron
Carbon
Beryllium
8
Who first organized the periodic table?
Henry Mosely
Dimitri Menedeleev
Charles Mendeleev
Dimitri Mosley
9
Neon, Argon, and Helium are examples of...
Noble Gases
Alkali Metals
Transition Metals
Halogens
10
The periodic table arranges the elements by increasing....
Alphabetically
Atomic number
Chemical Symbol
Number of neutrons
11
What is the common name for the compound NaCl?
Toothpaste
Ammonia
Table Salt
Chlorine
12
Which of the following are poor conductors of heat, dull, and brittle?
Groups
Metals
Non Metals
Metalloids
13
Elements in a group have
different chemical properties
similar chemical properties
14
Use your periodic table to identify the following atom.....
Phosphorus
Sulfur
Chlorine
Argon
15
The mass of a proton is almost 2,000 times the mass of....
electron
neutron
electron cloud
nucleus
16
The atomic number of an atom is equal to
the number of electrons in the nucleus
the number of protons in the nucleus
the same as the atomic mass
the number of neutrons in the nucleus
17
Our current model of the atom shows electrons in
none of the above
in the nucleus
an electron cloud
the cloud with neutrons
18
which two sub-atomic particles are closest in size?
protons and electrons
none of the above
neutrons and protons
electrons and neutrons
19
Metalloids are found....
On the left of the table
Along the zig-zag line
To the far right of the table
20
The vertical columns in the periodic table are called...
lanes
groups
periods
rows
