Answer:
A.
Explanation:
All of the elements in a period have the same number of valence
electrons.
I believe there are three correct answers from the choices listed above. The statements that describe an element are as follows:
<span>An element is a pure substance that cannot be broken down into a simpler form.
</span><span>All elements are listed on the periodic table of elements.
An element symbol begins with a capital letter; if there is a second or even third letter, it is a lowercase letter.</span>
Answer: 20 pounds in a month
Explanation: you can loose up to 5 pounds a
Acidic rain that can deteriorate limestone bases structures
Answer:
it is 25%
Explanation:
for a parents to be transmitted