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Damm [24]
3 years ago
12

HELP QUICK ILL GIVE YOU BRAINLIEST AND 25 POINTS! bromine (br) has four energy levels. name 2 other elements that would have fou

r energy levels.

Chemistry
2 answers:
Temka [501]3 years ago
6 0

Answer:

titanium and potassium

Explanation:

Ipatiy [6.2K]3 years ago
3 0

Answer: geranium and krypton

Explanation: hope this helps

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3 years ago
How many moles of sodium (Na) are there in a<br> sample of 5.87 x 1024 atoms of sodium?
Leno4ka [110]
9.74x 2351 that's the answer
6 0
3 years ago
PLEASE HELP!!!!! Noble gases are often described as being very stable. Give two points to explain what this means.
Leya [2.2K]

Answer:

Noble Gases are very stable because...

1) Noble Gases have a full octet

2) Low chemical reactivity

Explanation:

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6 0
3 years ago
What is the density of a block marble that occupies 255 cm^3 and has a mass of 1000g
RUDIKE [14]

Answer:

<h2>3.92 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =  \frac{1000}{255}  \\  = 3.921568...

We have the final answer as

<h3>3.92 g/cm³</h3>

Hope this helps you

4 0
3 years ago
What is usually needed to help a decomposition reaction occur
ArbitrLikvidat [17]
<u>The addtion of energy</u> <span>is usually needed to help a decomposition reaction occur</span>
3 0
3 years ago
Read 2 more answers
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