A hypothesis is an experimental question that can later be proven correct or incorrect by scientific evidence.
Answer is alpha particles
<u>Solar Energy & Wind Power.</u>
One of the main thing about renewable energy, it will never run out, and it saves you money.
Answer:
barium and silicon has same valence electrons
Explanation:
barium-2,8,18,18,8,2
neon-2,8
silicon-2,8,2,2
carbon-2,4
Answer:
Option A (0.043 g) is the correct answer.
Explanation:
Given:
= 43 mg
As we know,

then,
⇒ 
Thus, the above is the correct alternative.