Definitions

Question 1

Atom

Answer 1

smallest constituent unit of ordinary matter that constitutes a chemical element

Question 2

Galvanised

Answer 2

Applying zinc coating to steel or iron

Question 3

Phytoextraction

Answer 3

subprocess of phytoremediation in which plants remove dangerous elements or compounds from soil or water

Question 4

% yield

Answer 4

d

Question 5

Molecule

Answer 5

electrically neutral group of two or more atoms held together by chemical bonds

Question 6

solid

Answer 6

one of the four fundamental states of matter

Question 7

Element

Answer 7

species of atom having the same number of protons in their atomic nuclei

Question 8

Concentration

Answer 8

abundance of a constituent divided by the total volume of a mixture

Question 9

Diffusion

Answer 9

High concentration to low

Question 10

Empirical formula

Answer 10

chemical compound is the simplest positive integer ratio of atoms present in a compound

Question 11

Homologous series

Answer 11

series of compounds with the same functional group and similar chemical properties in which the members of the series can be branched or unbranched

Question 12

Atom economy

Answer 12

is the conversion efficiency of a chemical process in terms of all atoms involved and the desired products produced