Ion Formation

Atoms from group 6 on the Periodic Table are likely to form ions of what charge?

• +1

• +2

• 0

• −1

• −2

Non-Metal atoms are most likely to form...

• positively charged cations.

• negatively charged anions.

• neutral molecules.

• bations.

Metal atoms are most likely to form...

• positively charged cations.

• negatively charged anions.

• neutral molecules.

• bations.

What number of valence electrons makes a non-metal ion stable?

• 0

• 2

• 4

• 6

• 8

An object becomes positively charged by...

• gaining negative charges.

• losing negative charges.

• gaining positive charges.

• losing positive charged.

Tags

NGSS.MS-PS2-3

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Oxygen has six valence electrons. When forming an ion, oxygen will

• lose six electrons and have a charge of +6.

• lose six electrons and have a charge of -6.

• gain two electrons and have a charge is +2.

• gain two electrons and have a charge of -2.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many electrons are in a Li⁺ ion?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What is the charge of an atom that has gained one electron?

• -1

• -2

• +1

• +2

Fluorine, like all halogens, has 7 valence electrons but wants a full shell. What charge will fluorine make?

• 7+

• 7-

• 1-

• 1+

Valence electrons are those that are

• closest to the nucleus.

• freely floating between atoms.

• in the outermost energy level of the atom.

• unable to become involved in chemical bonding.

Tags

NGSS.HS-PS1-1

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