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Kelas X ATOM ION MOLEKUL, KIMIA HIJAU, STRUKTUR ATOM

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

What is the atomic mass of Neon?

a)

10

b)

20.18

c)

10.18

d)

30.18

2.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
3.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
4.
How many electrons are in the atom pictured? 
a)
1
b)
2
c)
3
d)
0
5.
In an atom, what is the number of protons equal to?
a)
The number of electrons.
b)
The number of neutrons.
c)
The number of molecules.
d)
The number of nuclei.
6.
What number indicates the nucleus?
a)
1
b)
2
c)
3
d)
4
7.

Atoms consist of parts called protons, neutrons, and___________________.

a)

electrons

b)

nutrons

c)

haptons

d)

wontons

8.

Two or more atoms joined together are called___.

a)

combination

b)

duet

c)

molecule

d)

atomic group

9.

What is a small particle that is the building block of matter?

a)

proton

b)

atom

c)

nucleus

d)

electron

10.
2H2O
How many H2O molecules are present?
a)
1
b)
4
c)
2
d)
8
11.
 2H2O
How many Hydrogen atoms are present?
a)
2
b)
4
c)
1
d)
10
12.
What do we call a chemical substance made up of 2 or more different types atoms bonded together?
a)
formula
b)
atom
c)
subscript
d)
compound
13.

Which of the following is NOT a compound?

a)

HCl

b)

Cl2

c)

NaCl

d)

CO2

14.

O2 is a compound molecule.

a)

TRUE

b)

FALSE

15.

H₂O is a compound molecule.

a)

TRUE

b)

FALSE

16.
Two or more atoms chemically bonded together are called a
a)
atom
b)
element
c)
molecule
d)
mixture
17.
what charge will an aluminum ion have?
a)
3+
b)
2+
c)
2-
d)
3-
18.
Elements on the LEFT side of the periodic table will most likely form:
a)
Positive ions
b)
Negative ions
c)
Neutral Ions
d)
None of these
19.
charge of lithium ion
a)
-2
b)
-1
c)
+1
d)
+2
20.
What charge will an Oxygen ion have? 
a)
+1
b)
-1
c)
+2
d)
-2
21.

A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?

a)

Br-1

b)

Br+1

c)

Br+7

d)

Br-7

22.

What is the ion formed from Sulfur? If it has 6 valence electrons.

a)

S+2

b)

S-2

c)

S+6

d)

S-6

23.

What is a negative ion called?

a)

anion

b)

cation

c)

covalent

d)

isotope

24.

What is a positive ion called?

a)

anion

b)

cation

c)

isotope

d)

covalent

25.

An atom loses or gains electrons is called ....

a)

atom

b)

molecule

c)

ion

d)

Compound

26.

How many electrons that this element has?

a)

10

b)

9

c)

8

d)

7

27.

What is the name for this element?

a)

Krypton

b)

Natrium

c)

Potassium

d)

Kurchatovium

28.

Tentukan harga keempat bilangan kuantum elektron valensi dari 20X.

a)

n=4, l=1, m=0, s=+1/2

b)

n=4, l=1, m=1, s=+1/2

c)

n=4, l=1, m=0, s=-1/2

d)

n=4, l=0, m=0, s=-1/2

e)

n=4, l=0, m=0, s=+1/2

29.

Ion X²+ memiliki neutron 12 dengan jumlah proton 12. Berapakah jumlah elektronnya?

a)

12

b)

24

c)

14

d)

10

e)

2

30.

Nomor atom unsur X yang memiliki keempat bilangan kuantum elektron valensi yaitu :

n = 3, l = 1, m = 0, s = +1/2

a)

11

b)

12

c)

13

d)

14

e)

15

31.

Perhatikan Perkembangan Teori Atom berikut.

a)

A

b)

B

c)

C

d)

D

e)

E

32.

Diketahui nomor atom S = 16, Cl = 17, Ar = 18, Ca = 20, dan Kr = 36. Ion Cl- akan mempunyai konfigurasi elektron yang sama dengan…

(

a)

   S2-

b)

  Ca2+

c)

   Ar

d)

  Kr

33.

Konfigurasi elektron unsur X bernomor massa 80 dan memiliki 45 neutron di dalam intinya adalah…

a)

       [Ne] 3s24p6

b)

  [Ne] 4s23d105s25p3

c)

  [Ne] 3s23p63d104s24p5

d)

    [Ne] 5s14d8

e)

     [Ne] 6s24f145d10

34.

Nomor atom unsur X sama dengan 26. Konfigurasi elektron ion X3+ adalah…

a)

      1s22s22p63s23p63d64s2

b)

      1s22s22p63s23p63d44s2

c)

     1s22s22p63s23p63d63d34s2

d)

      1s22s22p6

3s23d54s1

e)

      1s22s22p6

3s23p63d5

35.

Perhatikan soal berikut.

a)

A

b)

B

c)

C

d)

D

e)

E

36.

Tentukan konfigurasi elektronnya!

a)

1s2 2s2 3s2

b)

1s1 2s2 3s3

c)

1s2 2s2 2p2

d)

1s3 2s2 2p1

e)

1s3 2s3

37.

Tentukan konfigurasi elektronnya!

a)

1s1 2s2

b)

1s2 2s1

c)

1s1 2s1 3s1

d)

1s1 2s1 3p1

e)

1s1 1p1 2s1

38.

The formation of clouds from many sea waters on a hot shiny day is an example of....

a)

Condensation

b)

Sublimation

c)

Vaporisation

d)

Evaporation

39.

Properties of matter:

1. The particles are close together with no regular arrangement.

2. The particles can move about, and slide past each other.

3. The particles have no definite shape, they depend on the shape of thecontainer.


What is the state of matter that has all characteristics above?

a)

Gas

b)

Solid

c)

Liquid

d)

Plasma

40.

What is state 1, and what is state 2?

a)

Gas and Liquid

b)

Gas and Solid

c)

Liquid and Solid

d)

Liquid and Gas

41.

When ice melts, .... change into ....

a)

liquid; solid

b)

liquid; gas

c)

solid; liquid

d)

solid; gas

42.

Mention 3 states of matter

a)

solid, liquid, atom

b)

liquid, gas, solid

c)

atom, gas, ion

d)

gas, solid, ion

43.

Simbol keselamatan kerja, kata toxic berarti...

a)

Mudah terbakar

b)

Mudah meledak

c)

Pengoksidasi

d)

Korosif

e)

Beracun

44.

Berikut yang bukan merupakan sikap yang harus dimiliki seorang ilmuan adalah…

a)

Sikap ingin tahu yang tinggi

b)

Sikap cuek terhadap masalah

c)

Berperilaku terbuka

d)

Selalu berpikir maju

e)

Memperoleh data dengan cermat dan teliti

45.

Besi, air, tanah dan udara adalah contoh. . .

a)

Unsur

b)

Senyawa

c)

Campuran

d)

Materi

e)

Zat tunggal

46.

Dalam ilmu biology, ilmu kimia membantu menjelaskan proses biology di alam dan manusia. Kecuali...

a)

Metabolisme

b)

Fotosintesis

c)

Respirasi

d)

Transpirasi

e)

Reproduksi

47.

Di bidang kedokteran, radioisotop pada ilmu kimia digunakan untuk ..

a)

Mendeteksi golongan darah

b)

Mendeteksi penyakit

c)

Mendeteksi DNA

d)

Mengobati luka

e)

Menyembuhkan

48.

Di bidang pertanian, ilmu kimia digunakan untuk? Kecuali…

a)

Membuat pupuk

b)

Membuat plastik

c)

Membuat tanamn lebih subur

d)

Membuat tanaman lebih rindang

e)

Menghilangkan hama

49.

Segala sesuatu yang menempati ruang dan memiliki massa disebut…

a)

Materi

b)

Energi

c)

Berat

d)

Massa

e)

Volume

50.

Ilmu pengetahuan alam yang mempelajari tentang materi yang meliputi struktur, susunan, sifat, dan perubahan materi serta energi yang menyertainya adalah..

a)

Ilmu Kimia

b)

Ilmu forensik

c)

Ilmu Farmasi

d)

Ilmu Biologi

e)

Ilmu Fisika

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