stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Periodic Table: Chapter 5 Flashcards | StudBud
Explore
/
Periodic Table: Chapter 5
Periodic Table: Chapter 5
31 terms
·
StudBud Administration
·
131 plays
Periodic Table review 8th grade science
Flashcards
31 cards
F
Practice quiz
P
Host live
L
Questions
31
Answers
1
The group number tells us how many _____ are in the element?
neutrons
protons
electrons
valence electrons
2
Elements in a group have similar properties because they have similar number of __________.
electrons
properties
valence electrons
protons
3
Nonmetals have properties listed below except _____?
shiny
poor conductors
dull
brittle
4
Which one is not a property of a metal?
brittle
ductile
malleable
conducts electricity
5
________ is a metalloid that is a poison.
antimony
germanium
boron
arsenic
6
What is the mass of this element?
74
53
127
126
7
Which group is this metal most likely a member of?
Alkaline Earth Metal
Nobel Gas
Alkali Metal
Halogen
8
Which has a lower specific heat?
Mint Chocolate Chip
German Chocolate Crunch
Cookie Dough
Vanilla
9
The "stair step" line elements are also classified as ?
metalloids
metals
nonmetals
noble gases
10
What subatomic particles make up the atomic mass?
proton
neutron
electron
proton & neutron
11
When reading the periodic table from top to bottom, what do you notice?
elements are less metallic
mass increases
valence electrons increase
phase changes
12
Which element does not have a neutron?
oxygen
hydrogen
none- they all have neutrons
neon
13
________ are elements with the same number of protons but a different number of neutrons.
inert gases
atoms
ions
isotopes
14
This element is abundant in air and is collected from air to make fertilizers and explosives.
Airium
Nitrogen
Carbon Dioxide
Oxygen
15
This member of the Boron group is the most abundant metal in the earth's crust
Hydrogen
Gallium
Aluminum
Boron
16
What information from Periodic Table indicates the number of protons in an atom?
period number
atomic symbol
atomic mass
atomic number
17
Which subatomic particle is the smallest?
electron
neutron
proton
18
What gas in used in this type of sign?
hydrogen
argon
helium
neon
19
As you move across a period on the periodic table, the elements become _____________.
larger
more like non-metals
more metallic
more malleable
20
Noble gases are noble because they ______________
don't react
are very rare
were discovered by Noble
are colorful
21
Which is not a characteristic of non-metals?
dull
brittle
malleable
not a good conductor
22
The halogens shown below have how many electrons in their outermost shell?
seventeen
can't tell
seven
same as # of protons
23
The period numbers tell us how many ______ are in an atom.
energy levels
protons
neutrons
electrons
24
If you are reading the periodic table from left to right, the atomic masses..?
increase
decrease
stay the same
25
The sun is made of ______ gas?
Xenon
Helium
Argon
Hydrogen
26
This metalloid is used to make glass and also used in electronic semi-conductors
Californium
Tin
Silicon
Radon
27
Gold, silver & copper are _______ metals?
gases
transition
alkaline
metalloids
28
How many neutrons does an abundant isotope of this element have?
23
22
11
12
29
Elements have more similarities with atoms in the ________?
same group
same class
same period
same family
30
What scientist came up with the model of the atom shown below (planetary model)?
Rutherford
Bohr
Schrodinger
Dalton
31
Who is considered the father of the periodic table?
Mendel
Democritis
Mendeleev
Darwin