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WorksheetsPeriodic table and Chemical Bonds
Total questions: 20
Worksheet time: 20mins
An example of a metal is
hydrogen
sodium
helium
Neon
A bond formed between two chlorine atoms is ionic.
True
A metal is said to be (a) as it can lose an electron/ electrons to become a cation.
A sodium ion has (a) proton.
Which of the following are alkali metals? You can choose more than one answers.
Hydrogen
Potassium
Magnesium
Sodium
In a polar covalent bond, the electrons are shared equally between atoms.
What bonds are formed?
All are covalent bonds
One dative bond and three polar covalent bonds
One dative bond and three non-polar covalent bonds.
Dative bonds.
As you go down the group, the atomic size of the element
(a)
Why are atoms neutral in charge?
Non-metallic atoms have the ability to attract electrons towards themselves. This trait is called
(a)
When hydrogen reacts with chlorine to form hydrochloric acid, ions are formed.
Which of the following is NOT a characteristic of Alkali metal?
Alkali metals have 1 valance electron.
Alkali metals have a valency of 1.
Atoms of Alkali metals form anions during ionic bonding.
All alkali metals are electropositive.
What is the symbol for potassium ion?
(a)
How many groups are there in the modern periodic table?
7
8
18
17
This is a diagram of
Oxygen atom
Oxygen ion
How many elements are there in the modern periodic table?
(a)
The bonds between carbon and hydrogen in methane (CH4) is
Non-polar covalent bonds
Polar covalent bonds
Which of these atoms will form positive charge when they combine with other atoms to form elements or compounds?
H
O
N
Li
A good conductor of electricity in dissolved state.
Ionic compound
Covalent compound
As you go down the group 1 in the periodic table, the melting point and the boiling point of the metals
(a)
