Rutherford's model of the atom (ESAAQ) Rutherford carried out some experiments which led to a change in ideas around the atom. His new model described the atom as a tiny, dense, positively charged core called a nucleus surrounded by lighter, negatively charged electrons.
Answer:
b
Explanation:
bbbbbbbbbbbbbbvgh c tyvftj xf
Answer:
c. selenium
Explanation:
sulfur and selenium are in the same group
Balancing.
When the same force is applied from both sides,the forces cancel out each other.