PILOT EXAM 2 Practice - PRACTICINGforExamNr2inclass...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
                 PRACTICING for Exam Nr 2 in class                                               Chapters 3 and 4 No of points 1. Atom of which of the following elements needs to lose three valence electrons to achieve the noble gas configuration? a) Na b) Si c) Ga d) S [4] 2. Atom of which of the following elements needs to gain two valence electron to achieve the noble gas configuration? [4] a) Ca b) Al c) S d) Br 3. At each of the following elements write its most stable ion Ca ………. Na ............. S .…. .……. . F ………… [8] 4. Which ion should be the most stable (obeying the octet rule) [8] a) K - b) Ca + c) Br 2- d) Al 3+ 5. Potassium bromide consists of a) molecules of KBr b) atoms of K and Br c) K + and Br - ions [4] 6. A sample of CH 4 consists of a) molecules of CH 4 b) separate atoms of C and H c) C 4- and H + ions d) C 4+ and H - ions [4] 7. Write the formula of the ionic compound formed from a) Lithium and Sulfur ............... b) Magnesium and Chlorine ..…. .…. .…. . [4]
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 10/28/2010 for the course CHEM 111 taught by Professor Polaski during the Winter '08 term at Central Washington University.

Page1 / 3

PILOT EXAM 2 Practice - PRACTICINGforExamNr2inclass...

This preview shows document pages 1 - 2. Sign up to view the full document.

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