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Worksheets1.1 Relative atomic mass
Total questions: 10
Worksheet time: 7mins
calculate the relative atomic mass for Ammonium nitrate
80.0
79
60
65
Each element is defined by the number of
Atoms
Isotopes
Neutrons
Protons
Nuclei.
A/an _______ has a positive charge and mass.
Neutron
Electron
Proton
Isotope
Nucleus
The atomic mass number of a specific element is determined by the:
number of protons in its nucleus
number of neutrons plus protons in its nucleus
number of neutrons plus electrons in its nucleus
number of electrons in its outermost shell
total number of neutrons orbiting the nucleus
An atom that loses or gains electrons is called a/an
isotope.
proton.
neutrino.
neutron.
ion.
The smallest unit of matter that retains the characteristics of an element is an:
Ion
isotope
atom
electron
The atomic mass of an element is the ___.
average of the mass number and the atomic number for the element
weighted average of the masses of the isotopes of the element
total mass of the isotopes of the element
total number of subatomic particles in the nucleus
