Answer:
C
Explanation:
Calcium is an element with a total of 20 electrons.
It has 4 shells with a configuration of:
2, 8, 8, 2
Option C is the most similar to calcium but the number of shells is not complete.
It still requires two more shells with 8 and two electrons respectively.
Answer: The Temporal Lobe
Explanation:
The Temporal lobe contains the primary auditory cortex which processes the sounds and lets you understand what you're hearing.
Answer:
either an acid or a base
Explanation:
Especially, concentrated acids and bases tend to do enormous amounts of chemical burns. People usually think its only acids but the strongest of bases can easily melt our skin.
Answer:
9.85% is the mass percent
Explanation:
Mass percent can be determined as mass of solute in 100 g of solution
The solution is soda
Sugar is the solute
(mass of solute / total mass of solution) . 100 =
(33 g / 335g) . 100 = 9.85%
