Worksheetsstructure of matter
Total questions: 23
Worksheet time: 25mins
three types of matter according to physical nature are
solid
mixtures
liquid
compounds
matter according to chemical composition can be divided into
solid
mixtures
liquid
pure substances
two types of mixtures are
homogenous
heterogenous
homosapiens
heteroatomic
example for a homogenous mixture is;
An example for a heterogeneous mixture is;
select all the compounds given below
O2
Fe2O3
H2O
Fe
the building block of matter is
molecule
substance
compound
atom
main sub-atomic particles of an atom are;
charge of electrons is
negative
positive
neutral
charge of protons is
negative
positive
neutral
charge of neutrons is
negative
positive
neutral
the nucleus of an atoms consists of;
protons
electrons
neutrons
the nuclear model was put forward by;
Aiesac Newton
J.J.Thompson
Earnest Rutherford
Earnest Fernando
the nucleus of an atom is ........................ while the atom is ..............
positive, positive
positive, negative
negative, neutral
positive, neutral
number of electrons in an atom is (a) to the number of protons in an atom
the atomic number of elements is the
mass number of an element is the;
(1123Na ) element is
Sodium
Nitrogen
Sulphur
Natogen
(1123Na ) atomic number is
23
11
12
34
(1123Na ) mass number is
23
11
12
34
(1123Na ) number of neutrons is
23
11
12
34
(1123Na ) number of protons is
23
11
12
34
(1123Na ) number of Electrons is
23
11
12
34
