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Worksheets2.1 the nature of matter
Total questions: 10
Worksheet time: 6mins
The basic unit of matter
Cells
Atoms
Molecules
Elements
which of the following are parts of an atom?
Cell
Neutron
Electron
Isotope
Proton
Electrons have a positive charge
true
false
A pure substance containing only 1 type of atom
Atom
Cell
Element
Nucleus
Atoms of the same element that have a different number of neutrons
isotopes
compounds
ions
electrons
An ionic bond is formed when...
electrons travel about the nuclei of two atoms
two or more elements are chemically fused together
negatively and positively charged atoms merge together
electrons are transferred from one atom to another
The attraction between molecules is known as
a pull factor
gravitational pull
van der Waals forces
uniting forces
atoms with extra protons or electrons
isotopes
ions
introns
elements
A chemical compound is a fusion of elements in which it is impossible to separate them.
true
false
where do neutrons and protons stay?
the electron cloud
the nucleus
the membrane
the cell wall
