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Worksheets2.1 - Proton Number, Nucleon Number & Ions
Total questions: 25
Worksheet time: 32mins
Do electrons contribute to the atomic mass of an atom?
YES of course, they are there for a reason
NO, they are useless to the atom
No, their mass is too small to contribute to the mass
YES, silly, they are the superstars of the atom
The nucleus of an atom contains which subatomic particles?
protons and electrons
protons and neutrons
electrons and neutrons
protons, electrons, and neutrons
When an atom loses an electron, it becomes a
positive ion
negative ion
neutral ion
neutral atom
Atom X have 6 protons, 6 electrons and 6 neutrons.
What is the nucleon number of atom X?
(a)
Atom X have 6 protons, 6 electrons and 6 neutrons.
What is the atomic number for an atom X?
(a)
Atom Y has nucleon numbers 23 and 12 neutrons.
what is the number of electrons in an atom Y?
(a)
Atom Y has nucleon numbers 23 and 12 neutrons. If atom Y lose 1 electron to become an ion, what is the charge number for ion Y?
(a)
Ion M has charge number +2, what is the mass number for ion M if Ion M has 12 neutrons and 10 electrons?
(a)
Ion Z2- have nucleon numbers 16 and proton numbers 8, what is the number of electrons that ion Z2- have?
(a)
Atom W has nucleon number 19 and gains 1 electron to becomes an ion. What is the charge number for ion W?
(a)
When an atom becomes an ion. What is the number of subatomic particles that will change?
number of neutrons
number of protons
number of electrons
nucleon number
Why are ions formed?
To make our lives difficult
Because atoms want to be stable
Because atoms have the same number of protons and electrons
Because atoms gained neutrons
