Planet A-
planet B-
planet C-
planet D-

PLEASE HELP I CANT FIGUERE THIS OUT

A-Saturn

B-Mars

C-Venus

D-Uranus

Explanation:

A-Only Saturn is the sixth planet

B-Mars is commonly known as the red planet

C-Only Venus has a day longer than its year

D-Only Uranus has 27 known moons

A: Saturn

B: Mars

C: Venus

D: Uranus

Explanation:

A: is satrun because it has rings and no other planets have rings.

B: is mars because it is the red planet

C: is venus because its revolution is 225 days

D: is Uranus because it has 27 satellites

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

if you need further assistance, let me know: )

~ trueboss72