(Answered) BIOS251 – Unit 2 – Atoms and Molecules Edapt

QUESTIONS

Question 1

Which of the following would you classify as a molecule?

• Cu
• Fe
• N
• S₂F

Question 2

Which of these subatomic particles is found outside of the nucleus of an atom?

• Electrons
• Nucleons
• Neutrons
• Protons

Question 3

Which of the following would you classify as a cation?

• K+
• FeO
• OH-
• S2-

Question 4

If we cut a chunk of iron into smaller pieces, it is still iron no matter how small the pieces are?

• Yes, an atom of iron would be iron no matter how small the pieces become.
• No, the pieces would eventually not be iron at a key point.

Question 5

Subatomic Particles

Match the information given to the correct subatomic particle.

• Proton
• Neutron
• Electron

Question 6

Drag the correct term to it’s corresponding item on the element information.

Question 7

Drag the correct term to its corresponding item on the element information.

Question 8

Drag the proper charge to the corresponding ion description

• A molecule with 14 total electrons and 2 total protons
• An atom with 55 protons and 54 electrons
• An atom with 12 protons and 10 electrons
• A molecule with 76 electrons and 73 protons

Question 9

Which of the following would be a molecule?

• CuO
• C
• Mg
• Li

Question 10

An atom has a mass number of 48 and 22 neutrons. How many protons would this atom have?

• 48 protons
• 70 protons
• 22 protons
• 26 protons

Question 11

Select all the terms we could use to describe an AI atom with a charge of +3. Select all that apply.

• Cation
• Ion
• Anion
• Molecule

Question 12

If I had an ion with 26 protons, and 28 neutrons, and 27 electrons, what would be the charge of this ion?

• +1
• +2
• -1
• -2

Question 13

Which of the following compounds would you expect to be an electrolyte?

• N2
• KCL
• CH4
• O2
• H2O

Question14

An ion has 26 protons, 28 neutrons, and 24 electrons. Which element is this ion?

• Xe
• Fe
• Ni
• Cr
• Mg

Question 15

Which of the following terms would you use to describe MG2+. Select all that apply.

• Subatomic particle
• Molecule
• Ion
• Element

ANSWERS

Question 1

Which of the following would you classify as a molecule?

• Cu
• Fe
• N
• S₂F

Answer: S₂F

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