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Match it! Select the correct answer from the pull down...Good luck!
The first figure in a properly written chemical symbol always is _
1.54 x 10 - 12
mass numbers
A mixture must be uniform in composition
373 K
underlined
H2O
protons
demonstrate the release of heat
What is the boiling point of water in kelvins?
1.54 x 10 - 12
mass numbers
A mixture must be uniform in composition
373 K
underlined
H2O
protons
demonstrate the release of heat
What must be done to be certain that a chemical change has taken place?
1.54 x 10 - 12
mass numbers
A mixture must be uniform in composition
373 K
underlined
H2O
protons
demonstrate the release of heat
The atomic number of an element is the total number of which particles in the nucleus?
1.54 x 10 - 12
mass numbers
A mixture must be uniform in composition
373 K
underlined
H2O
protons
demonstrate the release of heat
The diameter of a carbon atom is 0.000 000 000 154 m . What is the number in scientific notation?
1.54 x 10 - 12
mass numbers
A mixture must be uniform in composition
373 K
underlined
H2O
protons
demonstrate the release of heat
Isotopes of the same element have different_________
1.54 x 10 - 12
mass numbers
A mixture must be uniform in composition
373 K
underlined
H2O
protons
demonstrate the release of heat
Which of the following represents a compound?
1.54 x 10 - 12
mass numbers
A mixture must be uniform in composition
373 K
underlined
H2O
protons
demonstrate the release of heat
What is one difference between a mixture and a compound?
1.54 x 10 - 12
mass numbers
A mixture must be uniform in composition
373 K
underlined
H2O
protons
demonstrate the release of heat
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