WorksheetsMatter lessons 5-7
Total questions: 25
Worksheet time: 13mins
Only 1 type of atom
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Substances combined physically, but appearing to be only 1 substance
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Substances combined physically where you can see each
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Substances combine to form a new substance with new properties
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
An example of an element
Helium (He)
Carbon Dioxide (CO2)
chex mix
kool aid
An example of a compound
gold (Au)
milk
salt (NaCl)
pizza
An example of a homogeneous mixture
fruit salad
iced tea
water (H2O)
Lead (Pb)
An example of a heterogeneous mixture
lemonade
Boron (B)
Ammonia (NH3)
taco
Requires a chemical change
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Two samples of the same compound can have different properties.
True
False
Sometimes
Properties used to identify matter that never, ever change
Definite
Polar
Characteristic
Familiar
When two or more substances change into a totally different substance
Physical Change
Chemical Change
A sign of a chemical change is ___.
Change in position
Change in size
Change in temperature
Change in state
A log rotting is an example of a ____.
Physical change
Chemical change
Food digesting is an example of a ____.
Physical change
Chemical change
Fireworks exploding is an example of a ____.
Physical change
Chemical change
Most elements on the Periodic Table are ____.
Metals
Metalloids
Nonmetals
Metals are ____.
dull and soft
hard and shiny
poor conductors
The LEFT side of the Periodic Table contain the ____.
Noble Gases
Transition Metals
Alkali Metals
The LEAST reactive elements on the Periodic Table are the Noble Gases because ___.
They have few valence electrons.
They have a full valence electron shell.
They have no valence electrons
___ are the vertical columns on the Periodic Table.
Groups / Families
Periods
Being in the same Group or Family means ___.
A. they have the same number of valence electrons
B. they have the same number of electron shells
C. they have similar characteristics
D. both A and C
Being in the same Period means ___.
A. they have similar characteristics
B. they have the same number of electron shells
C. their reactivity decreases as you move to the right
B and C are correct
You can predict an element's properties by its position on the Periodic
Table.
True
False
Dmitri Mendeleev ____.
discovered elements on the Periodic Table
organized the elements on the Periodic Table
