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WorksheetsUnit 1 Matter: Mid Unit Skills Check
Total questions: 60
Worksheet time: 44mins
(a) are the building blocks of matter
What element is represented in this Bohr Model?
Carbon
Hydrogen
Aluminum
Lithium
Which of the following element is an example of Halogen
Sodium
Magnesium
Fluorine
Carbon
Highly reactive
Alkali metal
Noble gases
Rare earth metals
Neon
Which family(group) of metals have two electrons in the outer most energy level?
Lanthanides
Halogens
Oxygen family
Alkaline earth metals
------ are poor conductors of heat and electricity
Transition metals
All metals
Non metals
Copper
The electrons in the outer most energy level of an atom is also known as
Active electrons
Inert electrons
Valence electrons
None of the above
Boron is an example of
Metalloid
Metal
Non metal
Inert gas
Elements of the same group have similar chemical properties
False
True
Not enough information
May be true
The is family has properties of both metals and nonmetals.
Alkali
Halogens
Nonmetals
Metalloids
This type of element is dull, brittle solids and gases, insulators, poor conductors of heat and electricity, as well as having low melting points.
metals
metalloids
nonmetals
Why is element Hydrogen not included in the Alkali Family?
It is a metalloid.
It is non-metal.
It is a halogen.
It is a noble gas.
Which element that is not a transition metal?
Osmium
Titanium
Gold
Radon
the positively charged subatomic particle contained in the nucleus of an atom
proton
neutron
electron
matter
a negatively charged subatomic particle that orbits the nucleus of an atom
proton
neutron
electron
matter
What does the atomic mass tell you?
Basically,the number of electrons and protons
The number of neutrons
Basically, the number of protons and neutrons
The number of protons.
What period is Lead (Pb) in?
6
4
Metals
4A
Which group of the periodic table is composed of inert (not reactive) gases with 8 valence electrons?
alkali metals
alkaline earth metals
halogens
noble gases
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Sweet Tea, everything is mixed evenly and looks the same.
Heterogeneous Mixture
Homogeneous Mixture
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Homogeneous Mixture
Heterogeneous Mixture
2 or more different elements that are bonded together is called...
A. element
B. compound
C. mixture
D. solution
Compound
Mixture
Element
Element
Compound
Mixture of elements and compounds
Mixture of elements
Elements
Mixture of Elements
Compound
Mixture of Compounds
Which statement is true about compounds?
a pure substance where two or more elements are chemically combined
a homogenous mixture of 2 or more elements
a pure substance containing only one type of atom
a heterogeneous mixture of 2 or more elements chemically combined
What type of mixture has a positive tyndall effect?
Solution
Suspension
Pure Substance
Colloid
Which of the following is matched incorrectly.
Air: compound
Steel alloy: homogeneous mixture
Glucose (C6H12O6): compound
Cookies & Cream: heterogenous mixture
How are Mixtures made?
Chemically
Physically
Physically and Chemically
Found in Nature
Lucky Charms Cereal
Compound
Element
Mixture
Salt (NaCl)
Compound
Element
Mixture
