WorksheetsBTEC level 3 Applied Science Unit 1 Chemistry
Total questions: 20
Worksheet time: 34mins
The force between the nucleus and the outer electrons is called (a)
The force between molecules is (a) force
What is the trend for atomic radius on the periodic table? ( a statement about periods and groups is required for the mark)
What is the Aufbau principle? Electrons fill shells and sub-shells in order of (a) energy.
What is ionic bonding?
Strong forces of attraction between the lone pair of an oxygen, nitrogen or fluorine atom and an electron-deficient (delta positive) hydrogen.
A strong electrostatic attraction between oppositely charged ions ( metal and non-metal)
A strong electrostatic attraction between two nuclei and the shared pair(s) of electrons between them
Delocalised electrons moving between positive metal ions in a regular layer structure.
What is covalent bonding?
Strong forces of attraction between the lone pair of an oxygen, nitrogen or fluorine atom and an electron-deficient (delta positive) hydrogen.
A strong electrostatic attraction between oppositely charged ions ( metal and non-metal)
A strong electrostatic attraction between two nuclei and the shared pair(s) of electrons between them
Delocalised electrons moving between positive metal ions in a regular layer structure.
What is metallic bonding?
Strong forces of attraction between the lone pair of an oxygen, nitrogen or fluorine atom and an electron-deficient (delta positive) hydrogen.
A strong electrostatic attraction between oppositely charged ions ( metal and non-metal)
A strong electrostatic attraction between two nuclei and the shared pair(s) of electrons between them
Delocalised electrons moving between positive metal ions in a regular layer structure.
What is hydrogen bonding?
Strong forces of attraction between the lone pair of an oxygen, nitrogen or fluorine atom and an electron-deficient (delta positive) hydrogen.
A strong electrostatic attraction between oppositely charged ions ( metal and non-metal)
A strong electrostatic attraction between two nuclei and the shared pair(s) of electrons between them
Delocalised electrons moving between positive metal ions in a regular layer structure.
What charge ions do metals usually form?
positive
negative
oxidative
neutral
reductive
Loss of electrons is known as (a)
Short covalent bonds are (a) than long covalent bonds
What is a dipole?
The unequal distribution of charge leading to partial (delta positive / negative) charges
The unequal distribution of charge leading to positive / negative charges
Strong forces of attraction between the lone pair of an oxygen, nitrogen or fluorine atom and an electron-deficient (delta positive) hydrogen
Delocalised electrons moving between positive metal ions in a regular layer structure.
What are van der Waals (or London) fores?
Delocalised electrons moving between positive metal ions in a regular layer structure.
A strong electrostatic attraction between oppositely charged ions ( metal and non-metal).
A strong electrostatic attraction between two nuclei and the shared pair(s) of electrons between them.
Weak forces of attraction caused by the interaction of temporary dipoles.
Where is relative atomic mass found?
Atomic mass, which represents the number of neutrons and protons in the nucleus of an atom, is the (a) mass of atoms of an element compared with 1/12th the mass of a carbon -12 atom.
How is relative molecular mass calculated?
How are moles of a substance calculated?
What is the relative molecular mass of methane CH 4?
What is the relative molecular mass of KMnO4?
110 kg
158 g
158 kg
110 g
How many moles of carbon are there in 76 g of carbon?
88.00
912.00
6.33
0.16
