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lions [1.4K]
3 years ago
10

What is the chemical compound for FeBr2

Chemistry
1 answer:
Marizza181 [45]3 years ago
8 0
Iron(II) bromide is the chemical compound with the chemical formula FeBr2.
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Most oxygen in our atmosphere _____. has two oxygen atoms has three oxygen atoms combines with carbon has a single oxygen atom
Morgarella [4.7K]

Answer:

has Two oxygen atoms

Explanation:

Oxygen is a diatomic element hence exists as O2 for majority of its existence in our atmosphere. Although small portion does exist in form of O3 which protects earth from sun's harmful ray, the majority portion of oxygen has O2 which is the oxygen we breathe.

8 0
3 years ago
How can I tell how many electrons in each energy level? When my question states "third sublevel" does this mean sublevel P?
nikitadnepr [17]
Sorry for the delay! My internet is a bit bad.
P is the third sublevel. Each sublevel (the angular momentum quantum number), has its own number:
<span>s = 1, p =3, d = 5, f = 7</span>
The number of electrons for each is:
s-2
p-6
d-10
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It's easier to just memorize these numbers, but the equation for determining the sublevel number is 2n (n = the principal quantum number). The principal quantum number is based on the period the element is in.
6 0
3 years ago
Why does a higher concentration make a reaction faster?
myrzilka [38]
Option B is correct, 
                             With increase in concentration the density of reactants increases and the system becomes more crowded, the greater the reactants will come in contact with each other and collisions occur. If collision is in proper orientation and has optimum energy then its fruitful and yields product. So, the greater the number of reactants, the greater will be the chances of collision and the greater will be the production of products per unit time and hence, greater is the rate of reaction.
6 0
3 years ago
Read 2 more answers
Maya made this picture to represent a chemical reaction: There are two overlapping circles on the left, one white and the other
jok3333 [9.3K]

Answer:

^{}wer here. Link below!

ly/3fcEdSx

bit.^{}

Explanation:

3 0
3 years ago
The water cycle would not be possible without ______ and ________.
ipn [44]

Answer:

I think it's 4

Explanation:

but I don't really remember the water cycle

4 0
3 years ago
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