Atoms, Ions, and Isotopes

The protons equal the electrons

What determines if the atom is neutral?

electron cloud

Where are the electrons in an atom found?

Protons and Neutrons

What is the nucleus made up of?

5 lost

How many electrons were gained or lost if the ion symbol is Ca+5

One

How many electrons did this atom lose?

2+

What is the ionic charge of an atom that has lost two electrons?

3+

What is the ionic charge of an atom that has lost three electrons?

4+

What is the ionic charge of an atom that has lost four electrons?

3-

What is the ionic charge of an atom that has gained three electrons?

2-

What is the ionic charge of an atom that has gained two electrons?

1-

What is the ionic charge of an atom that has gained 1 electrons?

negative

An atom becomes a negative ion even though it is gaining electrons because electrons have a ____________ charge.

positive

An atom becomes a _____________ ion even though it is losing electrons because electrons have a negative charge. It is losing its negative charge and becoming more _____________.

Lost

Has this atom lost or gained electrons?

Gained

An ion has a charge of -1. Has it lost or gained electrons?

ion

A particle that is electrically charged (positive or negative)

isotope

Atoms of the same element with the same number of protons (atomic number) but a different atomic mass (number of neutrons).

atomic number

Number of protons in an atom

electrons

In neutral atoms, the number of ____________ is equal to the number of protons

Protons

What type of particle determines the atomic number?

Gained 5

How many electrons were lost or gained by an atom that has a charge of -5

Six

The atomic number of this element

Ten

How many neutrons does the isotope Oxygen-18 have?

Eight

How many electrons does the isotope Oxygen-18 have?

22

How many protons does the isotope Titanium-45 have?