Chem Quiz

What are the steps to the scientific method in the correct order

• Observation

  Make Hypothesis

  Test/Experiment

  Analyze Results

  Report Conclusion

• Observation

  Test/Experiment

  Report Conclusion

• Make Hypothesis

  Test/Experiment

  Analyze Results

• Observation

  Make Hypothesis

  Test/Experiment

  Analyze Results

What is a compound?

• An element

• A mixture of stuff

• Combination of two or more elements

• Oxygen

Carbon-12 has 6 protons, 6 electrons, and 6 neutrons. What is Carbon’s Atomic number and mass?

• Atomic Number: 6

  Atomic Mass: 12 amu

• Atomic Number: 5

  Atomic Mass: 11 amu

• Atomic Number: 6

  Atomic Mass: 18 amu

• Atomic Number: 12

  Atomic Mass: 6 amu

Chlorine and Fluorine are in the same column on the periodic table. Chlorine has 7 valence electrons. How many does Fluorine have?

• 8

• 9

• 7

• 6

What is the charge of an electron?

• nuetral

• negative

• positive

What is the mass of an electron when calculating atomic mass

• Functionally the mass of an electron can be regarded as 0

• 1 amu

• 2 amu

• 3 amu

What is the nucleus of the atom

• Nucleus is the orbiting particles

• Nucleus is the dense center in the middle of the atom orbited by electrons

• The neutrons of the atom

What does the nucleus consist of?

• protons

• electrons and protons

• neutrons and electrons

• Protons and nuetrons

What is the charge of a proton

• negative

• neutral

• positive

Neon’s atomic number is 10. Can neon have more or less than 10 protons?

• Yes

• No