Answer:
2. have no negative particle
Explanation:
Helium atoms contains 2 neutrons and 2 protons (or 2 electrons). Thus, it has a mass number of 4 and atomic number of 2.
Alpha particles are heavy and positively charged, which make them to be deflected in a magnetic or electric charge. So, the helium atoms used as alpha particles for the gold foil experiment must have no negative particle.
Answer:A
Explanation:it’s being change by a mixture of substances put together
AlohaS4
Answer & Explanation:
( Rh Factor ) represents the presence of the Rhesus protein in the blood.
( Rh+ ) blood contains the rhesus protein.
( Rh- ) blood does not contain the rhesus protein.
( Type O ) blood is the universal donor.
( Type AB ) blood is the universal recipient.
( Rh+ ) blood can receive Rh+ or Rh- blood.
( Rh- ) blood can receive Rh- blood.
Hope you found this helpful! <3
<em>~Aloha</em>
<em />
<em>Btw: This contains the full Edge question. So, if you're using Edge, just click "done" for each part of the question and answer it. :)</em>
Answer:
the first one is plants
the second one is animals
the third one is plants
the fourth one is animals
