Sodium is a metal and bromine is a nonmetal so they form an ionic compound
nonmetals and nonmetals form covalent compounds
The answer that i got was three
i redid it and got some answer like 4.62 x1014<span> Hz</span>
Answer:
it cannot be separated by physical methods
Explanation:
All animals can be dangerous and they would fight for their family. (This might be wrong)
Answer:
There are 0.5 mole in 20g of argon.
Explanation:
40 g of argon = 1mole
Then 20g of argon is,
→ 1/40 × 20
→ 0.5 mole