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Monica [59]
3 years ago
11

Help. Please! Help for 6-13

Chemistry
1 answer:
Lynna [10]3 years ago
7 0
8. Transition metals
9. Halogens
10. Nobel gasses
11. Lanthanides
12. Actinides
13. The tendency of a substance to undergo chemical reaction, either by itself or with other materials, and to release energy.
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Thoughts? this is for chem grade 11
Varvara68 [4.7K]

Answer:

Pb(s)------>Pb2+(aq)

Explanation:

If you look at the oxidation numbers Pb increases from 0 to +2 while Cu decreases from +2 to 0.Hence,Pb is the reducing agent and Cu2+ is the oxidizing agent.

Also, a thing to note is that the oxidation number of  any solid is always 0.

~Hope this helps:)

3 0
3 years ago
12) A 17.92 g sample of copper was submerged in water, and the volume reading rose by 2.00 mL. What is the density of the copper
emmasim [6.3K]

Hey there!:

Mass = 17.92 g

Volume = 2.00 mL

Density =  ??

Therefore:

D = m / V

D = 17.92 / 2.00

D = 8.96 g/mL

Hope this helps!

3 0
3 years ago
Which of the following is an example of non-matter?
Lera25 [3.4K]

A!

stay safe and have a great day<8

4 0
3 years ago
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What has more density milk or rubbing alcohol
Korolek [52]
Milk has more dentist then alcohol.
7 0
4 years ago
Read 2 more answers
Half of the earth is in the light and the other half is in the shadow because
Elza [17]

Answer:

the sun doesn't shine on that half

Explanation:

4 0
2 years ago
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