....... no answer .........
A period is a horizontal row of the periodic table. There are seven periods in the periodic table, with each one beginning at the far left. ... A group is a vertical column of the periodic table, based on the organization of the outer shell electrons. There are a total of 18 groups.
Answer:
40.06
Explanation:
<u>(23 * 39) + (48 * 40) + (29 * 41)</u>
100
= 40.06
formula:
<u>(% of isotope A * mass of A) + (% of isotope B * mass of B) ......</u>
100
NaOH is a base and hence it can only be neutralized by an acid.
So it is by HCl, which is an acid.
Answer:
It's called carbon dioxide.
Explanation:
consists of 1 carbon atom bonding with two oxygen atoms.