Q2 M2 - FORMATION OF IONS

Which of the following sub-atomic particle is negatively charged?

• electron
• neutron
• plasma
• proton

What is known as positively charged particle?

• electron
• neutron
• plasma
• proton

Which of the following describes a neutral atom? The ____________.

• atom is uncharged
• positive and negative charges of an atom balance each other
• number of electrons in an atom is the same as the number of protons
• all of these

What happens to an atom when it gains or loses electrons? It becomes an/a .

• compound
• ion
• isotope
• neutron

What happens to an atom when it becomes an ion? It .

• will no longer be neutral
• gains electron and becomes a negative ion
• loses electrons and becomes a positive ion
• all of these

Who discovered ions?

• Dalton
• Faraday
• Galileo
• Mendeleev

Which of the following ion is negatively charged?

• anion
• cation
• neutron
• proton

Which of the subatomic particles do not have charge at all?

• electron
• neutron
• plasma
• proton

Why does an atom consider as a neutral particle? It is because they have __________________.

• unlike particles
• equal number of protons and electrons
• unequal charges
• different number of protons and electrons

If an ion has 13 protons and 10 electrons, what is the charge of this ion?

• 2+
• 2-
• 3+
• 3-