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2 years ago

A particular element has the following set of properties:

Chemistry

1 answer:

natita [175]2 years ago

7 0

Answer:

D. bromine (Br)

Explanation:

Bromine is an element of halogen group.

Halogens, or "salt-formers," are located in group 17 of the periodic table. The halogens have the following properties:

1) They have low melting points and low boiling points.

2) They exist as diatomic molecules in the gas phase.

3) They have seven electrons in their outermost shell, which means they have seven valence

electrons.

4) They are highly reactive nonmetals.

5) They tend to gain electrons and form negative ions.

Thus the given properties are of Bromine.

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I need help with balancing equations I'm doing homework and idk what to do here can you give me the answers please lol

amm1812

It's pretty easy to balance equations! Basically you want to make sure that the number of each compound is equal on both sides of the arrow.

For example number one is

Fe + H2SO4 -> Fe2(SO4)3 + H2

A 3 in front of H2SO4 because there's a subscript of 3 on the right side.

Then a 3 in front of H2 because of the previous step.

Then add a 2 in front of Fe because of the 2 subscript in Fe2(SO4)3

Then add a 1 in front of Fe2(SO4)3 because you already have an equal number of each element.

2Fe + 3H2SO4 -> 1Fe2(SO4)3 + 3H2

I hope this explanation helps! You should really do your homework because practice is everything when it comes to chemistry. You'll need to know how to do it for exams.

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2 years ago

The plants shown bloom in summer. Which statement explains why the plants bloom in summer? The nights are shorter. The nights ar

Bess [88]

Answer:

It’s A

Explanation:

The nights are shorter. I just took the unit test review

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2 years ago

When one form of energy is transformed into another no energy is destroyed in the process?

katrin2010 [14]

Yes that is true, when energy is transformed energy is not destroyed.

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2 years ago

Explain how molar mass relates the mass of an atom to mass and moles of the atom

satela [25.4K]

Molar mass is the mass in grams of one mole of any pure substance.

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2 years ago

Combine magnesium metal and hydrochloric acid solution. Mg + HCl →

padilas [110]

Answer:

See below.

Explanation:

This will give magnesium chloride solution and hydrogen gas will evolve.

Mg(s) + 2HCl(l) ---> MgCl2(l) + H2(g)

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