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ELEN [110]
2 years ago
8

Help help help help! Kingdom

Chemistry
2 answers:
Tanzania [10]2 years ago
6 0
All of the atoms in the middle make up the molecules, so the green ones (neutrons) and the blue ones (protons).
Brrunno [24]2 years ago
3 0

Answer:

all 4 of the middle ones are part of the nucleus

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HELP ME PLEASE!!
irakobra [83]

Answer:

volume

Explanation:

things expand when heat is applied taking up more space hence volume

4 0
3 years ago
What is true when an element is oxidized? It bonds with the hydroxide ion. It loses electrons to another element. It reacts with
Mama L [17]

Answer: It loses electrons to another element.

Explanation:- Oxidation is the process in which an element loses electrons and there is an increase in the oxidation state. On losing electrons it combines with a electronegative element such as oxygen, sulphur or nitrogen etc.

Fe\rightarrow Fe^{2+}+2e^-

Reduction is the process in which an element gains electrons and there is a decrease in the oxidation state.

\frac{1}{2}O_2+2e^-\rightarrow O^{2-}

8 0
3 years ago
To separate solid particles from a liquid, you would use:
enot [183]
Filtration

hope this helped
3 0
3 years ago
NEED HELP QUICKLY!!! How many moles are in each of the following?
oksano4ka [1.4K]

Answer: a. 0.26mol

b. 0.000479mol

c. 1.12mol

Explanation: Please see attachment for explanation

6 0
3 years ago
Why krypton and noble gas are not used in airships using the periodic table?
WITCHER [35]

Answer:

Since the noble gases are unreactive or inert, they are safe to use. Helium is used to fill balloons and airships, because it is much lighter that air and it will not catch fire. Neon is used in advertising signs. It will give red glow, but the color can be changes by mixing it with other gases.

Explanation:

3 0
2 years ago
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