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Periodic Table #3 Flashcards | StudBud
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Periodic Table #3
Periodic Table #3
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A #periodictable review game for #grade8
Flashcards
25 cards
F
Practice quiz
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Host live
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Questions
25
Answers
1
How many neutrons are in this element?
12
14
23
13
2
_____ are brittle solids at room temperature and are poor conductors of heat and electricity.
metals
gases
nonmetals
metalloids
3
Good conductors ______
break easily
are brittle
transfer heat and electricity
stop the transfer of heat
4
Nickel is a _______
Noble Gas
Metal
Metalloid
Nonmetal
5
Who came up with the plum pudding model?
Chadwick
Thompson
Rutherford
Democritus
6
Do metals or non metals have luster (shine)?
metals
non metals
7
Which group is the alkali metals?
13
1
2
14
8
Who discovered that electrons have "energy levels" (hint: think of one of the models we drew)
Rutherford
Bohr
Thompson
Chadwick
9
Are metals or non metals brittle?
Nonmetals
Metals
10
What are the three subatomic particles?
protons, electrons, neutrons
electrons, neutrons, atoms
electrons, nucleus, protons
neutrons, protons, elements
11
_____ are solids at room temperature and can conduct heat/electricity but not as well as metals
transuranium elements
nonmetals
radioactive elements
metalloids
12
Ductile means
can be drawn into a wire
bends without breaking
breaks easily
shiny
13
Every atom of a given element has the same number of ______
protons
electrons
isotopes
neutrons
14
What is the meaning of the word "atom"?
hard particles
dividable
not able to be divided
invisible
15
Malleable means______
stops the transfer of heat
able to bend without breaking
breaks easily
shiny
16
How many protons are in this element?
39
19
20
40
17
Who discovered the neutron?
Bohr
Rutherford
Chadwick
Mendeleev
18
_____ is a very small particle that makes up most kinds of matter.
atom
electron cloud
nucleus
mixture
19
Who discovered the proton?
Democritus
Dalton
Chadwick
Goldstein
20
What is the atomic mass of this molecule?
168.06
95.994
72.066
180.16
21
Who proposed that atoms make up all substances on 400BC and is credited with naming the atom?
Rutherford
Bohr
Democritus
Medeleev
22
Are metals or non metals good conductors?
Nonmetals
Metals
23
How many electrons are in this element?
6
18
11
12
24
How many electrons are in this element?
238
146
239
92
25
Where are electrons located in an atom?
Outside of the atom
Nucleus
Electron Cloud
Nucleus and Electron Cloud
