Test

Question 1

Energy level

Answer 1

The fixed value that an electron may have

Question 2

Orbital

Answer 2

A region in space around the nucleus of an atom where there is a high probability of finding an electron

Question 3

Isotope

Answer 3

Atoms of the same element but with different atomic numbers/mass due to the different number of neutrons in the nucleus

Question 4

Relative atomic mass

Answer 4

The average mass of an isotope taking into account their natural abundances compared to 1/12 of the C-12 isotope

Question 5

Atomic radius

Answer 5

Half the distance between 2 nuclei of the element that are joined together by a covalent bond

Question 6

First ionisation energy

Answer 6

The minimum energy required to remove the most loosely bound electron from a neutral gaseous atom

Question 7

Octet rule

Answer 7

In an electron arrangement, electrons tend to have 8 electrons in its outermost shell

Question 8

Hydrogen bonds

Answer 8

Particular dipole-dipole attractions that a hydrogen atom will bond will bond with N,O,F (strongest, intermolecular)

Question 9

Electronegativity

Answer 9

The relative attraction that an atom in a molecule has for a shared pair of electrons in a covalent bond

Question 10

Van der Waals

Answer 10

The weak forces between molecules resulting in temp dipoles