Classifying Matter Question Preview (ID: 26266)
Classify The Following.
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Tap water
a) Pure Substance
b) Mixture
c) Element
d) Heterogeneous
Aluminum- Al
a) Nonmetal
b) Metalloid
c) Metal
d) Mixture
Blood
a) Element
b) Compound
c) Homogeneous
d) Heterogeneous
Pizza
a) Element
b) Compound
c) Homogeneous
d) Heterogeneous
Boiling point is which type of property?
a) Hot
b) Intensive
c) Extensive
d) Cold
Iron-Fe
a) Element
b) Compound
c) Heterogeneous
d) Homogeneous
What two subatomic particle make up the mass in an atom?
a) Protons and electrons
b) Electrons and Neurtons
c) Neutrons
d) Protons and Neutrons
Two different isotopes of an element have different?
a) number of neutrons
b) number of protons
c) atomic numbers
d) number of electrons
An iron atom has an atomic mass of 56. Its atomic number is 26. How many neutrons does the iron atom have?
a) 26
b) 56
c) 30
d) 82
The charge of an atom is
a) Positive
b) Neutral
c) Negative
d) Unbalanced
What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons?
a) 19
b) 20
c) 39
d) 58
Ge is a ...
a) Metal
b) Metalloid
c) Nonmetal
d) compound
Acetic Acid (HC2H3O2) is a(n)
a) element
b) compound
c) homogeneous
d) heterogeneous
The charge on a protons is
a) Positive
b) Negative
c) Neutral
d) Unbalance
Salt (NaCl) and water (H2O)
a) Element
b) Compound
c) Homogeneous
d) Heterogeneous
A subatomic particle with a negative charge is
a) a protons
b) a neutron
c) an electron
d) the nucleus
A clear solution is placed on a microscope slide and allowed to evaporate. When the slide is observed from microscope blue crystals can be seen. Describe the clear solution.
a) Element
b) Compound
c) Homogeneous
d) Heterogeneous
Average atomic mass
a) is a weighted average based on the abundance of an isotope
b) is a weighted average based on the how many isotopes
c) is an average of all the isotopes
d) is really hard
Plastic (that makes up water bottles)
a) Element
b) Compound
c) Homogeneous
d) Heterogeneous
You can find the average atomic mass by
a) adding all the masses of the isotopes together
b) adding all the masses of the isotopes together and then dividing by the number of isotopes
c) adding the abundance of each isotope together
d) adding the mass times the abundance of each isotope
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