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Revision for Y8 Chemistry Flashcards | StudBud
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Revision for Y8 Chemistry
Revision for Y8 Chemistry
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Chemistry
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
Alkali Metals are known to be the least reactive metals on the periodic table.
False
True
2
An example of a poor metal is.....
Superman's home planet
Tin-man
Penny
Pop can
3
True/False - Electrons are in the nucleus.
False
True
4
What is the basic building block of an element?
Matter
Atom
Electron
Proton
5
An atom is made up of proton, electron, and ________
Oxygen
Neutron
DNA
Matter
6
Who was the genius that created the periodic table and got it right the first time?
Albert Einstein
Ernest Rutherford
Dmitri Mendeleev
7
The atomic mass (mass number) of an element is equal to ______
# of electrons+protons
# of electrons
# protons
# of neutrons+protons
8
Brittle means?
Easily cracked or fractured
Smooth
soft and bendable
Man-made
9
True/False - The Noble Gases are very reactive.
True
False
10
What periodic group is Chlorine (Cl) located in?
Transition Metals
Alkali Metals
Noble Gases
Halogens
11
True or False: There are more metals than non-metals on the periodic table.
False
True
12
A collection of elements on the periodic table with similar properties are....
Periods
Tables
Compounds
Families
13
Sodium catches fire when it hits water. What is happening?
Lustering
Magic
A reaction
Conducting
14
The _____ number is the amount of protons or electrons in an atom.
Mass
Phone
Jersey
Atomic
15
A diamond has what characteristics?
Luster and dense
Reactive and lusterous
synthetic and dense
Dull and dense
16
The periodic table has vertical columns called ________
Tables
Periods
Groups/ families
Rows
17
An example of an Alkali Metal is....
Battery
Phone cord
Banana
"Open" sign
18
Which element is an example of a strong conductor?
Copper
Chlorine
Helium
Oxygen
19
What is the symbol for Sodium?
Sd
So
K
Na
20
What element is in group 16, period 3
Carbon
Sulfur
Oxygen
Magnesium
21
Lead is an example of a
Mixture
Compound
Pencil
Element
22
These spoons are an example of...
Conductor
Malleable
Dense
Reactive
23
An element is
made up of compounds and mixtures
is not on the periodic table
made up of the same type of atoms
made of different types of atoms
24
A proton has a _______ charge
Electric
Negative
Positive
Neutral (No Charge)
25
True or False: Poor metals have a high melting point?
False
True
26
What is the atomic number of Boron (B)?
18
5
2
10
27
Periods are the ______ rows in a periodic table.
Zig-zag
Diagonal
Vertical
Horizontal
28
Metalloids have characteristics of
Neither metals nor non-metals
metals
Both metals and non-metals
Non-metals
29
NaCl is an example of a
Mixture
Compound
Element
Liquid
30
Physical/Chemical Change: Water boiling
Physical Change
Chemical Change
31
Reactive means ________
transfers electricity and heat
Reflects light
Responds to other elements
Man-made
32
Chemical/Physical Change: Cooking an egg
Physical Change
Chemical Change
33
A malleable metal means?
It can be shaped with pressure
it is very reactive
it conducts electricity
it has a high melting point
34
The transition metals are in which groups/families
18
1
13-15
3-12
35
A compound is two or more elements chemically bound
that lose their properties and create a new substance
that is made up of a single type of atom
that keep their properties
that break easily
