CHEMISTRY QUESTIONS

1
CHEMISTRY QUESTIONS

• Review 2
• You should be familiar with these concepts and
  examples.

2
Q1

• On the periodic table, which are families and
  which are periods?

3
Q2

• Draw the first two levels of a cloud diagram with
  2 levels of electrons full and the nucleus
  labeled.

4
Q3

• What is an isotope?

5
Q4

• What is the maximum number of dots that can be
  in a dot diagram?

6
Q5

• Which represents a family/group in the Periodic
  Table? (rows or columns)

7
Q6

• What do elements in a column have in common?

8
Q7

• How is the Periodic Table arranged?

9
Q8

• What are the max number of electrons in each
  orbital, s, p, d, and f?

10
Q9

• Label the orbitals

Increasing Energy
11
Q10

• Write the electron configuration of Br

12
Q11

• Write the noble gas form electron configuration
  of Cl

13
Q12

• What is the electron configuration of Na ?

14
Q13

• What is the first element that has an electron in
  the f orbital?

15
Q14

• Why does Helium appear above the Noble gasses?

16
Q15

• Why are noble gasses called noble gasses?

17
Q16

• What is the symbol for potassium?

18
Q17

• What is a positively charged particle called?

19
Q18

• What charge does a neutron have?

20
Q19

• Which subatomic particles make up most of the
  mass of an atom?

21
Q20

• Where is most of the mass of an atom found?

22
Q21

• What kind of a charge do atoms (as represented on
  the periodic table) have overall?

23
Q22

• Is this correct?
• He 4 protons, 4 electrons
• If not, propose the correct numbers.

24
Q23

• If an element has the atomic number of 26 it has
  26 what?

25
Q24

• How do you calculate the number of neutrons in an
  atomic nucleus.

26
Q25

• All atoms of the same element have the same
  number of.

27
Q26

• Draw the dot diagram for Fluorine

28
Q27

• What is the name of the family with 2 oxidation
  number?

29
Q28

• Using the periodic table how do you calculate
  number of electrons?

30
Q29

• What word describes any matter made up of one
  kind of atom?

31
Q30

• What is a valence electron?

32
Q31

• Are there any atomic symbols written with 3
  letters?

33
Q32

• Electrons in orbitals are found in _____ and
  spinning in ______directions

34
Q33

• List the symbols of the 6 elements in the 2p
  block?

35
Q34

• You can not fill the 4s orbital until you have
  filled.

36
Name the following compounds

• 1-4HF LiH HNO2 Hg2Cl2
• 5-8Na2CrO7 CuBrO3 BaCl2 KMnO4
• 9-12PbCrO4 PF3 Ba(NO2)2 SO3
• 13-16Ca(NO3)2 CO NaHCO3 CCl4
• 17-20Al(HSO3)3 NO2 H2SO4 NaCl
• 21-24Fe3(PO4)2 Au(NO3)3 H2S Sr(OH)2

37
Q36

• How many types of atoms and how many of each kind
  are in
• NaAs4COCo3F6

38
Q37

• Predict the products of the following single
  displacement reaction
• Zn PbI2 ?

39
Q38

• Define atom

40
Q39

• Homogenous mixtures differ from heterogeneous
  mixtures in what ways?

41
Q40

• What do the following state of matter symbols
  mean?
• (s)
• (l)
• (g)
• (aq)

42
Q41

• How many significant figures are in
• (a) 1.0080
• (b) 0.0067
• ( c) 200

43
Q42

• Fill in the correct conversion factors
• 1 kg ______ dg
• 100 cm ______ m
• 1 L ______ kL

44
Q43

• Draw the particle arrangements of a substance as
  a solid, liquid, and gas in the labeled boxes
  below.
• Solid Liquid Gas

45
Q44

• Find the electronegativity differences and
  predict the bond types of each of the following
• (a) CO
• (b) CoF2
• ( c) N2
• (d) AlP3

46
Q45

• Use the Lewis Dot method to draw the correct
  bonding in CaCl2

47
Q46

• Use the Lewis Dot method to draw the correct
  bonding in H2O

48
Q47

• Use the Lewis Dot method to draw the correct
  bonding in CH3CH2CHCl2