52_100_E1B_key_F07

52_100_E1B_key_F07 - Chemistry for the Citizen Exam 1B...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
52.100 Exam 1B Page 1 Chemistry for the Citizen Exam 1B Tuesday September 18, 2007 Name: _______________________________________ Tear off this page and turn it in with your scantron sheet. Also write the form of your exam on the bottom of your scantron sheet.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
52.100 Exam 1B Page 2 1. The elements Helium, He, Neon, Ne, Argon, Ar, Krypton, Kr, Xenon, Xe, and Radon, Rn are known as: a. Halogens b. Chalcogens c. Alkaline Earth Metals d. Nobel Gases e. Alkali metals 2. Of the following, the particle that carries no electrical charge is a. An electron b. A proton c. A neutron d. A cation e. An anion 3. Two atoms must represent the same element if they both have the same a. Number of electron shells (orbitals) b. Atomic number c. Mass number d. Number of neutrons e. Number of electrons in their outermost shells 4. Almost all of the mass of an atom exists in its a. First quantum shell (orbital) b. Outermost electron shell (orbital) c. Combined electron shells (orbitals) d. Nucleus 5. How many neutrons are in the following atom 88 38 Sr a. 40 b. 88 c. 60 d. 50 e. 38
Background image of page 2
52.100 Exam 1B Page 3 6. In the times of antiquity, scientist did not understand the concept of elements and atoms as we know them today. The four elements of antiquity were a. Flame, water, earth, gas b. Cold, warm, light, dark c. Rock, land, water, sky d. Water, air, fire, earth 7. The region within an atom in which the electron can be found is known as a. Nucleus b. Orbital c. Isotopes d. Pockets 8. How many protons does the element Palladium, Pd contain a. 106 b. 46 c. 27 d. 56 e. 92 9. The element Nitrogen, N has how many valence electrons a. 2 b. 3 c. 4 d. 5 e. 6 10. While the mass of an atom is defined by the combined number of protons and neutrons in an atom, the electrons helps to define the _________ of an atom a. Stability b. Reactivity c. Radioactivity d. Natural state
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
52.100 Exam 1B Page 4 11. How many electrons are in a Sodium, Na cation a. 11 b. 12 c. 10 d. 9 e. 0 12. All Isotopes of any given element must have the same a. Number of neutrons b. Combined sum of neutrons and protons c. Difference between neutrons and protons d. Atomic number e. Mass number 13. The number of electrons in the first quantum shell of an atom of oxygen is a. 0 b. 2 c. 4 d. 6 e. 8 14. In every chemical reaction between atoms, the atoms react with each other in order to a. Transfer electrons from the valence shell of one atom to the valence shell of another atom b. Share electrons between the valence shells of different atoms c. Move electrons from a lower shell of one atom to the valence shell of another atom d. Move electrons from the valence shell of one atom to a lower shell of another atom e.
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/03/2008 for the course CHEM 101 taught by Professor Hawrelak during the Fall '07 term at Bloomsburg.

Page1 / 12

52_100_E1B_key_F07 - Chemistry for the Citizen Exam 1B...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online