Exam1- C Key

Exam1 C Key - Exam 1 Form C 1 A 2 C 3 B 4 A 5 C 6 D 7 B 8 C 9 C 10 D 11 E 12 C 13 C 14 D 15 D 16 25 p 31 no 22 e 17 a Ba 18 a Ba 6s 0 56 Mn3 b Nb b

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Exam 1 – Form C 1. A 2. C 3. B 4. A 5. C 6. D 7. B 8. C 9. C 10. D 11. E 12. C 13. C 14. D 15. D 16. 25 p + , 31 n o , 22 e 56 Mn 3+ 8 p + , 10 n o , 10 e 18 O 2 17. a) Ba 6s b ) N b 4 d c ) T e 5 p 18. a) Ba 0 b ) N b 3 c ) T e 2 19. (4 points each) Write the valence electron configuration for the following atoms: a ) V 4 s 2 3d 3 b ) S b 5 s 3 5p 3 20. (2 points each) In each pair , circle the lower energy orbital 4 p o n B r O R 4 s o n C a 3 p o n G e O R 3 p o n S i 4 d o n M o O R 5 s o n M o 21. Sc scandium Ar argon V vanadium 22. a) CuSO 3 copper(II) sulfite b ) K M n O 4 potassium permanganate c ) T i S 2 titanium(IV) sulfide 23. a) silver(I) bromide AgBr b) sodium phosphate Na 2 PO 4 c ) b e r y l l i u m s e l e n i d e B e S e 24. a) How many individual Ca atoms are in 89.2 g of Ca? g 40.08 atoms 10 x 6.02 x 9.2 8 23 b ) H o w m a n y g r a m s o f c a r b o n a r e i n a s a m p l e o f C 3 H 6 Cl 2 that also contains 8.53 moles of chlorine? Cl mol 2 C g 12.01 x 3 x Cl mol 8.53
Background image of page 1

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

View Full DocumentRight Arrow Icon
1. Which of the following samples contains the greatest number of atoms? A) 12 g of He B) 30 g of Ar C) 80 g of Ca D) 48 g of Ti E) 18 g of C 2. Which of the following samples contains the least mass? A) 3 x 10 23 Ni atoms B) 3 mol Be C) 6 x 10 23 Ne atoms D) 2 mol C E) 1 mol S 3. From the following set of scenarios, select the one at highest energy. A ) a 1 + c h a r g e a n d a 3 charge at 2 units of distance apart B ) a 2 charge and a 3 charge at 3 units of distance apart C ) a 4 + c h a r g e a n d a 1 + c h a r g e a t 3 u n i t s o f d i s t a nce apart D ) a 0 c h a r g e a n d a 2 + c h a r g e a t 2 u n i t s o f d i s t a n ce apart E ) a 2 charge and a 1+ charge at 2 units of distance apart 4. Of the following experiments, which one gives evidence for the presence of a nucleus in an atom?
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 03/19/2012 for the course CH 101 taught by Professor Bigham during the Spring '08 term at N.C. State.

Page1 / 4

Exam1 C Key - Exam 1 Form C 1 A 2 C 3 B 4 A 5 C 6 D 7 B 8 C 9 C 10 D 11 E 12 C 13 C 14 D 15 D 16 25 p 31 no 22 e 17 a Ba 18 a Ba 6s 0 56 Mn3 b Nb b

This preview shows document pages 1 - 3. Sign up to view the full document.

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