Answer:
A right? I'm pretty sure it's A
The number of electrons that can occupy the sub levels being filled by that period
Answer:
The Periodic Table organizes chemical elements according to the number of protons that each has in its atomic nucleus
Answer:
7.93 × 10⁻¹³ km/s
Explanation:
Step 1: Given data
Rate of growth of the fingernails (r): 2.50 cm/year
Step 2: Convert "r" from cm/year to km/year
We will use the following conversion factors.

Step 3: Convert "r" from km/year to km/s
We will use the following conversion factors.

2.50 cm/year is equal to 7.93 × 10⁻¹³ kilometers/second.
OK now that’s a lot to ask for but if you want someone to actually do that you’re gonna need a lot more points