Answer: i really don't know bu i recomened you watch josie b asmr she is the best
Explanation:
Answer:
A. The number of valence electrons increases by 1.
Explanation:
As you move across any period on the periodic table, the number of valence electrons increases by a value of 1.
- The periodic table of elements contains an arrangement of element by their atomic numbers.
- From left to right, number of valence electrons increases.
- Down a group, the valence electrons are the same.
- Across a period, the number of valence electrons increases.
Answer:
Explanation:
u = 4.0i−2.0j+3.0k v = −2.0i−2.0j+5.0k
Average acceleration is given by
The magnitude is
The magnitude is
The angle is
The angle between 
and the positive direction of the x axis is
The sound wave never actually loses energy, the bulk of energy it had at the beginning of the sound, is spread out into a sphere, making it decrease in amplitude and frequency.
