Electron Charges

An ion is __________. (Select all that apply)

• An atom or group of atoms with a charge.

• An atom where the number of protons equals the number of electrons

• A neutral atom.

• An atom where the number of protons does not equal the number of electrons.

Atoms tend to gain or lose electrons in order to _________.

• stabilize their nucleus.

• have the same number electrons as a noble gas.

• become neutral

• decrease their radioactivity

Tags

NGSS.HS-PS1-1

An atom that gains electrons will have a __________ charge.

• positive

• negative

An atom that loses electrons will have a __________ charge

• +

• -

Negative ions are called ____________________.

• Cations

• Anions

• Negions

• Electrons

The element "S" tends to _________ when it becomes an ion.

• lose 1 electron

• gain 2 electrons

• lose 3 electrons

• gain 3 electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The element "Al" tends to _________ when it becomes an ion.

• lose 1 electron

• gain 2 electrons

• lose 3 electrons

• gain 3 electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The element "Na" tends to _________ when it becomes an ion.

• lose 1 electron

• gain 2 electrons

• lose 3 electrons

• gain 3 electrons

When the element "N" becomes an ion it will have a charge of

• 3+

• 3-

• +7

• -7

When the element "Mg" becomes an ion it will have a charge of

• 2+

• 2-

• +12

• -12