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Structure Of The Atom And The Periodic Table Questions and Answers
0
votes
1
answer
The grid below shows part of the table. The letter is not the actual chemical symbols of the elements. Study it and use it to answer the question that follows.
asked
Aug 18, 2021
in
Chemistry Form 1
by
anony mous
chemical families patterns in properties
structure and bonding
structure of the atom and the periodic table
0
votes
1
answer
Distinguish between allotropes and isotopes.
asked
Aug 18, 2021
in
Chemistry Form 2
by
anony mous
structure of the atom and the periodic table
carbon and its compounds
0
votes
1
answer
Study the information below and answer the questions that follow. The letters do not represent the actual symbols of the elements.
asked
Aug 17, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
chemical families patterns in properties
0
votes
1
answer
Study the table below and answer the questions that follow.
asked
Aug 17, 2021
in
Chemistry Form 1
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
An ion T2- has an electronic arrangement of 2.8
asked
Aug 17, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
In terms of structure and bonding explain the following
asked
Aug 17, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
Hydrogen Sulphide gas was bubbled into two solutions of metallic nitrates as shown in the flow diagram below
asked
Aug 17, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
oxidation
0
votes
1
answer
Determine the number of neutrons in 1818O
asked
Aug 17, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
What are isotopes?
asked
Aug 17, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
Balance the following chemical equations
asked
Aug 6, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
Two elements M and N have atomic numbers 17 and 20 respectively. Write the formula of the compound formed when M and N react.
asked
Aug 5, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
The table below shows the atomic numbers of four elements W,X,Y and Z
asked
Aug 5, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
0
votes
2
answers
Elements X and Y have atomic numbers 11 and 17 respectively. Which one of the elements is a metal? Give a reason for your answer.
asked
Aug 5, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
An element B consists of three isotopes of mass, 28, 29 and 30 and percentage abundances of 92.2, 4.7 and 3.1 respectively. Show that the relative atomic mass of element is 28.11
asked
Aug 5, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
An element, A, has 30 protons and 35 neutrons. What is
asked
Aug 5, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
Element X has two isotopes. Two thirds of 3316X and one-third 3016X. What is the relative mass of element X?
asked
Aug 5, 2021
in
Chemistry Form 1
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
The table below shows some properties and electronic arrangements of common ions of elements represented by letters P to X. Study the information in the table and answer the questions that follow
asked
Aug 5, 2021
in
Chemistry Form 1
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
Define the following: Ion
asked
Aug 5, 2021
in
Chemistry Form 2
by
anonymous
structure of the atom and the periodic table
0
votes
1
answer
Give the valency of each of the elements or radical in the following chemical compounds.
asked
Aug 4, 2021
in
Chemistry Form 2
by
anony mous
structure of the atom and the periodic table
0
votes
1
answer
The table below gives the number of protons and neutrons in element G,H,I and J.
asked
Aug 4, 2021
in
Chemistry Form 2
by
anony mous
structure of the atom and the periodic table
the mole: formulae and chemical equations
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