Answer: B, 23 chromosomes
The egg and sperm cells are an exception--they have only 23 chromosomes each
Answer:
0
Explanation:
the oxidation number of a free elements is always 0
Concretions im pretty sure because they are in a <span>spherical shape</span>
That would be (A.) they are prokaryotic cells. If you want to see nucleus, look under a compound microscope. Hope it helps!
Metals
<span>Characteristics:
Solid--> 1 exception mercury
Shiny
Malleable--> can be shaped
Ducktile--> drawn into wire
**they easily lose or give up their electrons</span>
Non-metals
<span>Characteristics:
Gasses
Do not conduct electricity
** they gain or share electrons</span>
Metalloids
<span>Characteristics:
Can not conduct electricity.
Have properties between metals and non-metals.
Semiconductors</span>