Answer:atomic mass, neutrons in the nucleus
Explanation: because I remember from when I took honors chemistry last year we learned about this and it’s called the atomic mass when looking at an atom and the neutrons in the nucleus are effected by it.
The metalloid that has three valence electrons is Boron~
A physical change is when something don't permanently change
Using these Elements. Here would be the 4 ionic compounds.
CaF2
VF5
CaS
V2S5
Answer:
50,000,000 Hz
Explanation:
<em>Rearrange the formula:</em>
wave speed = frequency × wavelength → frequency = wave speed ÷ wavelength
wave speed = 300,000,000m/s
wavelength = 6m
<em>Substitute in the values:</em>
frequency = 300,000,000 ÷ 6
frequency = 50,000,000 Hz
Hope this helps!
