Ion Practice

Which particles change the charge in atoms when ions are formed?

• Electrons

• Protons

• Neutrons

• Nucleus

How many valence electrons must a lithium atom lose to obtain a complete valence shell?

• one

• two

• three

• four

An atom that has gained or lost electrons in an attempt to become stable/bond with another atom.

• Normal/Neutral Atom

• Ion

• Isotope

How many protons does this isotope of titanium have?

• 22

• 26

• 48

• 70

Tags

NGSS.MS-PS1-1

How many electrons are in an atom that has an atomic number of 34, an atomic mass of 74 and a charge of -2?

• 2

• 34

• 36

• 40

Tags

NGSS.MS-PS1-1

A negatively charged ion that has gained electrons to satisfy the octet rule (metals do this)

• Anion

• Cation

• Neutral Atom

• Isotope

Tags

NGSS.MS-PS2-3

A positively charged ion that has lost electrons to satisfy the octet rule (non-metals do this)

• Anion

• Cation

• Neutral Atom

• Isotope

If an atom has 9 protons and 10 electrons it has a charge of ____.

• 0

• -1

• +1

• -2

If an atom has 4 protons and 2 electrons it has a charge of ____.

• 0

• -2

• +2

• +1

If an atom has a charge of +3 and an atomic number of 5 it should have _______ electrons.

• 1

• 2

• 3

• 4