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Atoms & Periodic Table Review Flashcards | StudBud
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Atoms & Periodic Table Review
Atoms & Periodic Table Review
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Review atoms & the periodic table
Flashcards
45 cards
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Practice quiz
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Questions
45
Answers
1
What are columns on the periodic table called?
groups
periods
2
Most elements on the periodic table are
metalloids
metals
nonmetals
3
What is B pointing to?
element's name
chemical symbol
atomic mass #
atomic #
4
Which one is the smallest?
electron
proton
neutron
5
Which element is in group 13, period 3?
B
Sc
Ga
Al
6
Which one is NOT how groups are similar?
similar physical properties
similar chemical properties
same # of electrons on their outer shell
same # of orbital shells
7
What is D pointing to?
atomic mass #
element's name
chemical symbol
atomic #
8
What is A pointing to?
element's name
atomic #
chemical symbol
atomic mass #
9
How many groups are on the periodic table?
7
21
18
10
How was the 1st periodic table organized?
by atomic mass
by atomic #
by color
by phase
11
How is the modern periodic table organized?
by phase
by color
by atomic mass
by atomic #
12
In a neutral atom, the # of protons equals the number of
croutons
neutrons
electrons
13
How many protons does Arsenic have?
75
33
42
14
Which element is in group 5, period 4?
Zr
Ti
V
Nb
15
Which period has 2 electron shells?
period 4
period 3
period 5
period 2
16
Which group has 4 electrons in their outer shell?
group 14
group 15
group 16
group 13
17
Who published the 1st periodic table?
Mendeleev
Faust
Andres
Einstein
18
The smallest unit of matter
atom
compound
heterogeneous mixture
homogeneous mixture
19
Charge of the electron cloud
neutral
negative
positive
20
How many neutrons does potassium have?
19
39
20
21
What is C pointing to?
atomic #
chemical symbol
element's name
atomic mass #
22
What is the atomic mass #?
6
2
4
23
How many periods are on the periodic table?
18
7
21
24
How many electrons does Arsenic have?
33
42
75
25
atomic mass #
# of electrons + neutrons
# of protons + electrons
# of protons + neutrons
26
Positively charged parts of an atom
proton
electron
neutron
27
How many neutrons does Arsenic have?
42
33
75
28
Negatively charged parts of an atom
neutron
electron
proton
29
A pure substance made of 1 type of atom
element
homogeneous mixture
compound
heterogeneous mixture
30
Who is NOT allowed in Club Nucleus?
protons
electrons
neutrons
31
Which characteristics does NOT describe nonmetals?
poor conductors of heat & electricity
most are solids & gases
shiny appearance
can't be easily shaped
32
Which choice is NOT where electrons are found?
Atoms
Electron Cloud
Orbital shells
Nucleus
33
What are rows on the periodic table called?
groups
periods
34
Charge of the nucleus
positive
neutral
negative
35
Found in the nucleus
neutrons & electrons
protons & neutrons
electrons & protons
36
Which characteristic does NOT describe metals?
most are solids at room tempertaure
do not conduct heat & electricity well
high melting point
shiny
37
Which part of an atom decides which element an atom is?
electron
proton
neutron
38
Which important metalloid is used in computers?
silicon
hydrogen
gold
arsenic
39
Have different characteristics of both metals & nonmetals
metalloids
semimetals
vocaloids
alloys
40
# of protons
atomic mass #
atomic #
# of atoms
41
How are periods similar?
similar physical properties
same # of electrons on their outer shell
same # of orbital shells
similar chemical properties
42
How many protons does potassium have?
19
20
39
43
What is the atomic #?
6
4
2
44
How many electrons does potassium have?
20
19
39
45
Neutrally charged part of an atom
proton
neutron
electron
