CHEMISTRY 35: Latihan TAS kelas X sem 1 (bhs inggris)

I. OBJECTIVE TEST

Choose the correct answer in the following questions by give cross symbol (X) on the alphabet a, b, c, d or e in the answer sheet!

1. Look at the following table!

Number	Mass of sugar	Volume of water	Temperature of water	Stirring of solution	Time of dissolving
1.	10 grams	100 mL	30^oC	fastly	40 seconds
2.	10 grams	100 mL	50^oC	fastly	28 seconds
3.	10 grams	100 mL	70^oC	fastly	18 seconds

Based on the data in the table, the response variable of experiment is….

a. mass of sugar d. stirring of solution

b. volume of water e. time of dissolving

c. temperature of water

2. If the elements are arranged based on the increasing of relative atom mass, the elements which have difference 1 octave will show the same characteristic. This fact was discovered by….

a. J.W. Dobereiner d. Henry Moseley

b. A.R. Newlands e. John Dalton

c. D.I. Mendeleev

3. Elements in the modern periodic system are arranged based on….

a. The increasing of atom mass and the similarity of characteristics

b. The increasing of amount of protons and the similarity of characteristics

c. The increasing of amount of protons and neutrons

d. The increasing of boiling point and melting point

e. Chemical and physical characteristics

4. Elements which are in the same group are….

a. ₂P, ₄Q, and ₁₀T d. ₉S and ₁₇U

b. ₂P, ₄Q, and ₂₀W e. ₁₇U and ₁₉ V

c. ₄Q, ₁₀T, and ₂₀W

5. The element which is in the same period like as ₁₉V is….

a. ₆R d. ₂₀U

b. ₉S e. ₅₄W

c. ₁₀T

6. Look at the table below!

Number	Element	Atom number	Mass number
1.	A	3	7
2.	B	5	4
3.	C	10	20
4.	D	20	40

The wrong data is ….

a. 1 and 2 d. 3

b. 3 and 4 e. 4

c. 2

7. The atomic number of calcium is 20. The amount of protons and electrons in the Ca²⁺ ion are….

a. 20 and 20 d. 20 and 22

b. 20 and 18 e. 22 and 20

c. 18 and 20

8. The amount of electron valence of ₁₂Mg, ₁₃Al, and ₃₅Br are….

a. 8, 5, and 7 d. 2, 3, and 7

b. 5, 3, and 7 e. 2, 7, and 5

c. 2, 5, and 8

9. The electron configuration of X²⁺ ion is 2 8 8. The atomic number and electron valence of X are….

a. 16 and 6 d. 18 and 2

b. 16 and 2 e. 18 and 8

c. 18 and 6

10. Look at the following table!

Number	Element	Atom Number
1.	C	6
2.	F	9
3.	Na	11
4.	S	16
5.	Cl	17
6.	Ar	18
7.	K	19

Species which have electron is….

a. K⁺, Ar, and Na⁺ d. K⁺, Cl^-, and S^2-

b. S^2-, Cl^-, and F^- e. F^-, Na⁺, and Ar

c. Ar, Cl^-, and Na⁺

11. Look at the table below!

Number	Element	Atom Number	Mass number
1.	P	11	23
2.	Q	12	23
3.	R	12	24
4.	S	11	24
5.	T	10	23

The element pair which isotope is….

a. P and Q d. Q and R

b. R and S e. S and T

c. P and T

12. Look at the following table!

Number	Element	Mass number	The amount of neutron
1.	W	24	12
2.	X	27	14
3.	Y	32	16
4.	Z	19	10

The element pair which in a group metal is….

a. W and X d. X and Z

b. Y and Z e. W and Y

c. W and Y

13. The electro negativity of elements which in the same period are :

Number	Element	Electron negativity
1.	P	4,0
2.	Q	3,5
3.	R	3,0
4.	S	2,5

The sequence of elements which included in the same period from left to right is….

a. P, Q, R, S d. S, R, Q, P

b. Q, R, S, P e. R, Q, P, S

c. R, S, P, Q

14. The graph which describes atomic radius of elements in the same group is….

(X = atom number, Y = atom radius)

a. d.

b. e.

18. Look at the following table!

Number	Element	Electron Configuration
1.	V	2 8 1
2.	W	2 8 2
3.	X	2 8 18 8 1
4.	Y	2 8 8 2
5.	Z	2 8 8 3

The element which easiest releases electron is….

a. V d. Y

b. W e. Z

c. X

19. Look at the table below!

Number	Figure	Explanation
1.		Dalton’s atom model
2.	- - - -	J.J. Thomson’s atom model
3.		Rutherford’s atom model
4.		Niels Bohr’s atom model

The wrong data is number….

a. 1 and 2 d. 1 and 4

b. 2 and 3 e. 2 and 4

c. 3 and 4

20. Look at the figure of Rutherford’s experiment below!

a-ray

Pb Ra Detector (ZnS)

Gold

The correct conclusion of Rutherford’s experiment is….

a. The atom has nucleon and charge of nucleon is zero

b. There are electrons and neutrons in the nucleon

c. The atom has protons which move around the nucleon

d. The mass of atom just depends on the mass of electron

e. The atom has nucleon and the charge of atom is zero

21. Look at the table below!

Number	Element	Mass number	The amount of neutron
1.	P	19	10
2.	Q	39	20
3.	R	40	20
4.	S	40	22
5.	T	28	14

The element which is difficult to form an ionic bonding is….

a. P d. S

b. Q e. T

c. R

22. Electron configuration of X is 2 8 7, it can ….

a. releases 7 electrons

b. gains 1 electron

c. releases 7 electrons or absorbs 1 electron

d. releases 1 electron or absorbs 7 electrons

e. gains 1 electron pair

23. The electron configuration of specieses below is the same as the electron configuration of neon (Z of neon = 10), except….

a. Na⁺(Z of Na = 11) d. O^2- (Z of O = 8)

b. Mg²⁺ (Z of Mg = 12) e. S^2- (Z of S = 16)

c. F^- (Z of F = 9)

24. Look at the table below!

Number	Element	Ionization energy
1.	Na	500
2.	Li	520
3.	B	800
4.	Be	900
5.	F	1681

The ionest bonding can be formed between element pair of….

a. B and Be d. Na and Be

b. Li and F e. Na and Li

c. Na and F

25. Pay attention to the following statements!

1. Melting point of ionic compound is high

2. Solution of ionic compound cans transfer electricity

3. Trickle of ionic compound can transfer electricity

4. Salt, sugar, and water are ionic compound

The true statement/statements is/are ….

a. 1, 2, 3 d. 4

b. 1, 3 e. 1, 2, 3, 4

c. 2, 4

26. Lewiss formula of molecule which is formed by X and Y is:

X Y X

The possibility of element X and Y are….

	Element X	Element Y
a.	Hydrogen	Carbon
b.	Natrium	Oxygen
c.	Hydrogen	Oxygen
d.	Sulphur	Hydrogen
e.	Oxygen	Chlorine

27. Pay attention to the following compounds!

1. CHCl₃

2. KClO

3. NaCl

4. NaOH

The compound/compounds which has/have ionic bonding and covalent bonding inside the compound is/are….

a. 1, 2, 3 d. 4

b. 1, 3 e. 1, 2, 3, 4

c. 2, 4

28. Look at the table below!

Number	Element	Electron negativity
1.	A	4
2.	B	3
3.	C	2,8
4.	D	2,5

The polarest compound is….

a. BA d. DC

b. CA e. DA

c. CB

29. The elements included in polar covalent compound are….

a. CH₄ and H₂S d. H₂O and CH₄

b. CCl₄ and SO₂ e. HCl and NH₃

c. CHCl₃ and NH₃

30. The amount of coordinate covalent bonding in the Lewiss formula of H₂SO₄ is/are….

H O S O H

a. 1 d. 4

b. 2 e. 5

c. 3

31. The shiny metal due to….

a. There are many electrons which can move freely

b. There are many electrons which can not move freely

c. There are many electrons which release energy

d. There are many electrons which absorb energy

e. The metal bonding inside the metal can be formed again easily if it is broken

32. Pay attention to the following statements!

1. NaCl is ionic compound and the trickle of NaCl can transfer electricity

2. CHCl₃ is covalent compound and the trickle of CHCl₃ can transfer electricity

3. KBr is ionic compound and the solution of KBr can transfer electricity

4. H₂O is ionic compound and H₂O can transfer electricity

The true statement/statements is/are….

a. 1, 2, 3 d. 4

b. 1, 3 e. 1, 2, 3, 4

c. 2, 4

33. The molecule formula of silicon tetrachloride and dinitrogen pentaoxide are….

a. SiCl₄ and N₂O₅ d. SCl₄ and N₂O₅

b. Si₄Cl and N₅O₂ e. S₄Cl and N₅O₂

c. 4SiCl and 2N₅O

34. Look at the table below!

Anion Kation	PO₄^3-	SO₄^2-
Al³⁺	1	2

The chemical formula of 1 and 2 are….

a. AlPO₄ and Al₂(SO₄)₃ d. Al₃(PO₄)₂ and AlSO₄

b. Al(PO₄)₃ and Al₃(SO₄)₂ e. Al₂(PO₄)₃ and Al₃SO₄

c. Al₃PO₄ and AlSO₄

35. The chemical reaction between ammonium sulphate and natrium hydroxide produces natrium sulpahte, ammonia, and water. The balance reaction equation is….

a. NH₄SO₄ + NaOH → NaSO₄ + NH₃ + H₂O

b. 2NH₄SO₄ + 2NaOH → NaSO₄ + 2NH₃ + H₂O

c. NH₄(SO₄)₂ + 4NaOH → 2Na₂SO₄ + NH₃ + 3H₂O

d. (NH₃)SO₄ + 2NaOH → NaSO₄ + 2NH₃ + H₂O

e. (NH₄)₂SO₄ + 2NaOH → Na₂SO₄ + 2NH₃ + 2H₂O

Mg HCl

The Y-pipe contain Mg and HCl. The mass of Y-pipe = 50 grams. If HCl is poured into Mg, magnesium will react with HCl according to reaction:

Mg(s) + 2HCl(aq) → MgCl₂(aq) + H₂(g)

After the reaction, mass of Y-pipe and its contents is….

36. Look at the figure!

a. equal 50 grams

b. less than 50 grams

c. more than 50 grams

d. more than 50 grams or less than 50 grams

e. can not be predicted

37. 14 grams of iron and 14 grams of oxygen is reacted and produces iron(II) oxide. The mass of iron(II) oxide is….

(Ar of iron = 56; Ar of oxygen = 16)

a. 28 grams d. 10 grams

b. 20 grams e. 6 grams

c. 18 grams

38. Look at the following table!

Number	Mass of copper (gram)	Mass of sulphur (gram)	Mass of copper(I) oxide (gram)
1.	10	2	10
2.	20	3	15
3.	16	4	20
4.	16	5	20

Based on the data in the table, the comparison between mass of copper and mass of sulphur in the copper(I) oxide is….

a. 1 : 1 d. 1 : 4

b. 1 : 2 e. 4 : 1

c. 2 : 1

39. Nitrogen and hydrogen can form NO and N₂O₃. If the mass of nitrogen in NO and N₂O₃ is same, comparison of oxygen mass in NO: N₂O₃ is….

a. 1 : 3 d. 3 : 2

b. 3 : 1 e. 2 : 3

c. 1 : 2

40. Based on Gay Lussac Law, the reaction coefficient is comparable to….

a. the comparison of gas volume in the reaction

b. the comparison of gas mass in the reaction

c. the comparison of the amount of gas ion in the reaction

d. the comparison of the amount of gas atom in the reaction

e. the comparison of gas molarity in the reaction

II. ESSAY TEST

Do the following question!

1. Look at the following table!

Number	Mass of sugar	Volume of water	Temperature of water	Stirring of solution	Time of dissolving
1.	5 gram	100 mL	30^oC	slowly	20 seconds
2.	10 gram	100 mL	30^oC	slowly	30 seconds
3.	15 gram	100 mL	30^oC	slowly	40 seconds

Based on the data in the table, determine the control variable/variables, manipulation variable/variables, and response variable/variables of the experiment!

2. Atom X has 10 neutrons and mass number = 19.

a. Determine the electron configuration of:

1). X

2). X^-

b. Complete the symbol of X below:

Z = ….., A = …..

c. Determine:

1). the group of X

2). the period of X

3. Atom X has 20 protons and 20 of neutrons. Atom Y has mass number = 19 and 10 of neutrons. X and Y form chemical bonding.

a. Determine the kind of chemical bonding which is made by X and Y

b. Explain the process of chemical bonding formation which is made by X and Y

c. Determine the chemical formula of compound which is made by X and Y

4. a. Write the IUPAC nomenclatuer of the following compounds!

1). HClO₃

2). (NH₄)₂SO₄

3). C₂H₅OH

b. Write the chemical formulae of the following compounds!

1). Stanni oxide

2). Argentum nitrate

Sunday, 29 May 2011

Latihan TAS kelas X sem 1 (bhs inggris)

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