Answer:
The fourth one.
Explanation:
The fourth graph shows an object speeding up ( accelerating ) coz the velocity (tangent at the curve ) at every point is different, hence denoting an acceleration.
Answer:
Explanation:
Bohrium's most stable isotope, bohrium-270, has a half-life of about 1 minute. It decays into dubnium-266 through alpha decay. Since only a few atoms of bohrium have ever been made, there are currently no uses for bohrium outside of basic scientific research.
Answer:
Solid metals are good conductors of heat and electricity
Explanation:
N=3: 18 electrons
N=4, l=2: 10 electrons
N=7,l=2, ml=-1: 2 electrons
Here’s a picture that might help you may find the full thing online.
The first one is correct.
<span>An alpha particle has more than 7000 times the mass a beta, but it has less penetrating power because it has a shorter range.</span>