Ionic bonds form between nonmetals and metals.
The reason ionic bonds are formed is because nonmetals and metals usually have high electronegativities, which essentially means that metals pull on nonmetals' electrons.
When a metal takes an electron from a nonmetal, the metal becomes negatively charged and the nonmetal becomes positively charged. Because opposite charges attract, the two atoms will stick together, thus forming an ionic bond
-T.B.
Answer:
To catch a ball, the fielder has to stop the ball. This means, force is applied against the motion of the ball. So, between the fielder applies force on the ball and the ball comes to rest, the ball moves in the direction opposite to the direction of force. Thus work is negative.
Explanation:
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Base on my research and further investigation about the said problem, the possbile answer would be this one.
<span>1. calculate the g of PbO in the 272 g lead crystal (19% PbO)
272 g x 19 /100 = xxx g PbO
xxx g PbO/molecular mass of PbO = moles PbO
2. write and balance the equation of neutralization of PbO and sodium sulfide.
PbO + sodium sulfide -> sodium oxide + lead sulfide
3. Calculate the moles of sodium sulfide that will react with the moles of PbO
4. Convert the moles of sodium sulfide to g of sodium sulfide</span>
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