How will the calcium atom shown below achieve an octet if it takes part in an ionic bond? a
The calcium atom will gain 8 electrons.
b
The calcium atom will lose 6 electrons.
c
The calcium atom will gain 2 electrons.
d
The calcium atom will gain 20 electrons.
e
The calcium atom will gain 6 electrons.
f
The calcium atom will lose 8 electrons.
g
The calcium atom will lose 20 electrons.
h
The calcium atom will lose 2 electrons.

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

What is the volume occupied by 10.0 dm3 of gas at standard pressure after it has been compressedat constant temputure to 500.0 kpa?