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Atom, Molecule, and Ion

Total questions: 20

Worksheet time: 26mins

Name
Class
Date
1.

What is the number of neutron for this atom?

a)

5

b)

4

c)

3

d)

2

2.

What is the name for this element?

a)

Krypton

b)

Natrium

c)

Potassium

d)

Kurchatovium

3.

How many valence electrons does this element have?

a)

1

b)

2

c)

3

d)

4

4.

Which one is the example form of NaCl ?

a)
b)
c)
d)
5.

How many electrons that this element has?

a)

10

b)

9

c)

8

d)

7

6.

Which one is the Bohr model of oxygen?

a)
b)
c)
d)
7.

A group of molecule that made of two atoms of the same or different element, called.....

a)

Diatomic Molecules

b)

Triatomic Molecules

c)

Polyatomic Molecules

d)

Hexatomic Molecules

8.

Find the correct sentence from this following below

a)

Homonuclear molecule formed by different elements

b)

H2O is the example of homonuclear molecule

c)

Hydrogen (H2) is the example of homonuclear molecule.

d)

Heteronuclear formed by same elements

9.

These following below belongs to compound , except...

a)

F2

b)

H2O

c)

CH3

d)

NH4

10.

what is the nomenclature name for HCl?

(a)  

11.

What is the chemical symbol for Potassium bromide molecule?

(a)  

12.

Choose two correct information for Anion

a)

Positively Charged

b)

Negatively Charged

c)

More protons than electrons

d)

More electrons than protons

13.

Chose 2 correct information about metal and non-metal elements

a)

Metal elements tend to release electrons so that they will form cations.

b)

Non-metal elements tend to accept electrons to form anions.

c)

Non-metal elements tend to release electrons to form anions.

d)

Metal elements tend to accept electrons so that they will form cations.

14.

Choose all of the correct Anion

a)

SO42-

b)

Na+

c)

HCO3-

d)

Fe2+

15.

Choose all of the correct Cation

a)

Fe3+

b)

K+

c)

F-

d)

O2-

16.

What is the nomenclature name for H2S ?

a)

Hydrogen Chloride

b)

Hydrogen Bromide

c)

Hydrogen Sulfide

d)

Hydrogen Silicon

17.

From this ionic bonding, which element that has a role as cation?

(a)  

18.

This picture is the example of Argon's ..... structure

a)

Bohr's Model

b)

Lewis Dot

c)

Covalent Bond

d)

Rutherford Model

19.

What is the chemical symbol for the element that contained in this canned food?

(a)  

20.

These are some correct information about this element, except...

a)

It has 20 protons

b)

The number of the neutron is 21

c)

The element's name is Calcium

d)

The number of electron is 20