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8th Grade Unit 1 Flashcards | StudBud
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8th Grade Unit 1
8th Grade Unit 1
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Quiz prep for Atoms and the Periodic Table
Flashcards
26 cards
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Practice quiz
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Questions
26
Answers
1
increasing numbers of protons and neutrons
periods
groups
2
Which group is stable?
Noble Gases
Lanthanides
Actinides
Alkali metals
3
Groups are
vertical rows
horizontal rows
horizontal columns
vertical columns
4
Something that can be deformed without losing it's toughness is...
ductile
shiny
conductive
malleable
5
What is the atomic mass of Germanium?
72
27
73
37
6
same # of electrons in outer energy level
groups
periods
7
Neutrons have what kind of charge?
neutral
both a and b
negative
postive
8
What is a physical property of metals?
gas at room temperature
they melt at low tempertures
great conductors
brittle
9
Electrons have what kind of charge?
negative
neutral
positive
electric
10
There are 7 of these
groups
periods
11
What is the total number of electrons in Sulphur?
2
16
8
6
12
How many electrons are in the outer shell of Osmuim?
190
2
76
18
13
Protons have what kind of charge?
negative
neutral
both a and c
positive
14
Have similar properties
groups
periods
15
Which particle is not located in the nucleus?
quark
proton
neutron
electron
16
If you drew an electron dot diagram of Strontium, how many dots would it get?
8
2
88
38
17
Which group(s) are reactive?
both a and b
neither a or b
Alkali metals
Halogens
18
Forms ionic and covalent compounds
nonmetals
metalloids
metals
noble gases
19
What is the maximum amout of electrons in an outer shell?
2
8
10
30
20
What is the atomic number of Arsenic?
42
33
11
75
21
Something that can be permanantly shaped without cracking or breaking is...
ductile
shiny
brittle
malleable
22
What is the chemical symbol for Iron?
Fe
F
Ir
I
23
periods are
vertical columns
horizontal columns
vertical rows
horizontal rows
24
There are 18 of these
groups
periods
25
What is the smallest piece of matter?
electron
neutrino
neutron
atom
26
has metallic and nonmetallic properties
nonmetals
metalloids
noble gases
metals
