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8.5ABC Atomic Structure & Periodic Table Flashcards | StudBud
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8.5ABC Atomic Structure & Periodic Table
8.5ABC Atomic Structure & Periodic Table
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1
An element with atomic number 9 will have which of the following?
9 protons & 9 neutrons
atomic mass of 9
9 protons & 9 electrons
9 neutrons & 9 electrons
2
Which of the following increases when moving from left to right across the periodic table?
metallic properties
atomic number
number of energy shells
neutrons
3
The number of electron shells______ in elements when moving DOWN a group on the periodic table?
increase
is the same
decrease
4
Which elements on the periodic table are lustrous, malleable, and conductors?
Halogens
NonMetals
Metalloids
Metals
5
Which group on the periodic table is contains the LEAST reactive (stable) elements?
Carbon Group (14)
Noble Gases (18)
Alkali Metals (1)
Halogens (17)
6
What do all the Elements in Period 4 have in common?
They have 4 Valence electrons
They have 4 electrons
They have 4 protons
They have 4 energy levels
7
Which two elements have the MOST similar properties?
C and Ge
Mg and Ca
H and He
Fe and Ag
8
Which element is found in group 13 period 3 of the periodic table?
Silicon
Aluminum
Chlorine
Boron
9
Which Group of elements is lacking ONE electron to fill up their outer electron shell?
Group 2 - Alkaline Earth Metals
Group 17 - Halogens
Group 1- Alkali Metals
Group 18 - Noble Gases
10
Which two elements have the SAME number of valence electrons in their outer shell?
K and Ca
Ne and He
H and He
Cl and Br
11
Which group of elements is very reactive because they tend to "give away" one valence electron
transition metals
alkali metals
noble gases
metalloids
12
What do Carbon and Nitrogen have in common?
they are in the same group
they are both metals
the same number of valence electrons
the same number of energy levels
13
Which two elements have the MOST similar properties?
lithium & beryllium
flourine & neon
carbon & silicon
Hydrogen & helium
14
Which element is found in period 5 and has 47 protons in it's nucleus?
Rubidium
Vanadium
Silver
Palladium
15
Which element has 5 neutrons and is found in group 2 on the periodic table?
Carbon
Beryllium
Boron
Aluminum
16
Which groups on the periodic table contain the MOST reactive elements?
Groups 2 & 17
Groups 1 & 18
Groups 1 & 17
Groups 2 & 16
17
Vertical columns on the periodic table are known as ___________________
groups
molecules
periods
rows
18
How are the three elements organized on the periodic table?
Cobalt and Scandium are in the same group.
Niobium and Cobalt are in the same group.
Cobalt and Scandium are in the same period.
Niobium and Cobalt are in the same period.
19
Which type of elements are lustrous, ductile, and malleable?
Metalloids
Noble Gases
Metals
NonMetals
20
Which group of elements have 7 valence electrons?
alkali metals
noble gases
metals
halogens
21
The 7 horizontal rows on the periodic table are known as
periods
elements
groups
columns
22
Which subatomic particles are found in the nucleus and contribute most to the mass of an atom?
protons & neutrons
protons & ions
neutrons & electrons
protons & electrons
23
Which element is a METAL found in group 15?
Bismuth (Bi)
Antimony (Sb)
Arsenic (As)
Nitrogen (N)
24
Which of the following is considered an omnivore in this food web?
rabbit
wild cat
owl
snake
25
What do the elements in Group 15 have in common?
They have the same atomic mass
They all have 5 valence electrons
They have the same number of electron shells
They have the same number of protons
26
What do elements in the same period have in common? :-)
same properties
same # of valence electrons
same # of electron shells
same family
27
Elements in the same group share _____________________________.
# of protons and electrons
properties and # of valence electrons
atomic mass and valence electrons
properties and # of protons
28
Which element is a METALLOID with 33 protons in it's nucleus?
Tellurium
Silicon
Boron
Arsenic
29
The number of valence electrons _______from left to right across a PERIOD on the periodic table
increase
decrease
are the same
have more mass
30
Which element is found in the Noble Gas family and in period 5?
Krypton
Xenon
Neon
Radon
