Chem101 homework questions:
Please can I get help from Chem101 homework questions:
1) How many atoms of nitrogen are in one molcule of HNO3?
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2) Element:Â Cation or Anion Charge
Chlorine
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3) What are the number of protons+1, neutrons0, and electrons-1Â in these isotopes? Look at the periodic table to determine the number of protons and electrons. Use the mass number in front of the symbol to determine the number of neutrons. The first one has been done for you.
Element: protons+1Â neutrons0Â electrons-1
12C 6 6 6
1H
2H
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4) How is an iron form?
a) Addition or subtraction of protons from an atom
b) Addition or subtraction of neutrons from an atom
c) Addition or subtraction of electrons from an atom
d) All of the above
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5) Which of the following is a physical property of metals?
Shiny appearance
Conduct heat/electricity
Malleable
All of the above
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6) Diamond and graphite, two compounds both composed of carbon atoms are:
Ions
Isotopes
Allotropes
Answers
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Posted 31 May 2017 12:05 AM
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