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Periodic Table Review Flashcards | StudBud
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Periodic Table Review
Periodic Table Review
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Periodic Table review 8th grade science
Flashcards
33 cards
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Questions
33
Answers
1
________ are elements with the same number of protons but a different number of neutrons.
ions
isotopes
inert gases
atoms
2
If calcium & oxygen combine- you get?
calciumoxide
caloxide
calciumchloride
carboxide
3
Which is not a characterisitc of non-metals?
brittle
dull
not a good conductor
malleable
4
Gold, silver & copper are _______ metals?
transition
metalloids
alkaline
gases
5
What do the period numbers represent?
valence electrons
families
electron clouds
ions
6
Calcium and Oxygen like to bond because_____?
they are reactive
they are nonreactive
they are noble gases
they are metals
7
Nonmetals have properties listed below except _____?
shiny
dull
poor conductors
brittle
8
________ is a metalloid that is a poison.
boron
arsenic
antimony
germanium
9
Which element does not have a neutron?
hydrogen
none- they all have neutrons
oxygen
neon
10
The period numbers tell us how many ______ are in a Bohr model?
neutrons
electrons
protons
electron clouds
11
Noble gases are also called _______ gases?
noxious
inert
colorful
brillant
12
The octet rule states that atoms with a full outer shell?
typically will not bond
are solids
like to bond
are highly reactive
13
The sun is made of ______ gas?
Helium
Hydrogen
Argon
Xenon
14
What is the mass of this element?
126
53
74
127
15
Which subatomic particle is the smallest?
electron
proton
neutron
16
This noble gas is used in car headlights?
neon
xenon
argon
radon
17
If you are reading the periodic table from left to right, the atomic masses..?
increase
decrease
stay the same
18
Elements have more similarities with atoms in the ________?
same period
same class
none are correct
same group
19
The number of protons are found where?
equal to neutrons
atomic number
period number
atomic mass
20
Which has a lower specific heat?
mint choc chip
german choc crunch
cookie dough
vanilla
21
Which one is not a property of a metal?
brittle
conducts electricity
ductile
malleable
22
What gas in used in this type of sign?
hydrogen
argon
neon
helium
23
Who is considered the father of the periodic table?
Mendel
Mendeleev
Darwin
Aristotle
24
The scientist who nade the first 3D model of the atom was?
Newton
Watson
Rutherford
Crick
25
A Lewis Dot diagram represents the _____ in an atom?
electrons
valence electrons
neutrons
protons
26
What subatomic particles make up the atomic mass?
proton
proton & neutron
electron
neutron
27
The number of electrons in an element is ____?
same as atomic mass
same as protons
same as atomic number
same as neutrons
28
When reading the periodic table from top to bottom, what do you notice?
they are arranged by state of matter
they are alphabetical
they arranged by mass
29
This element was discovered in California and is used in electronics-?
Silicon
Californium
Radon
Tin
30
What scientist came up with the model of the atom?
Copernicus
Bohr
Einstein
Rutherford
31
How many neutrons does this element have?
11
12
23
22
32
The group number tells us how many _____ are in the element?
neutrons
valence electrons
protons
electrons
33
The "stair step" line elements are also classified as ?
nonmetals
noble gases
metals
metalloids