In the reaction between bromine and sodium, a bromine atom gains an electron and forms the bromide ion, Br–.What happens to bromine?

Answers

Answer 1

Answer: After the bromine atom gains an electron and becomes a negatively charged ion, Br-, it is attracted to the Na atom, the sodium atom which as a result of the sodium atom giving its 1 valence electron to bromine, becomes a positively charged ion.

Both the sodium ion and bromine ion are attracted to each other and form an ionic bond. The electrostatic attraction between the ions allows for an ionic bond to form after donation of valence electrons from one atom to another. Ionic structures are usually ionic lattices.

Answer 2

Answer:

Answer:

bromine is reduced

Explanation:

Works on Gradpoint

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What is true of valence electrons?a) They exist in the outer orbital.

b) they easily move from one orbital to another

c) they have difficulty moving from one orbital to another

d) they are always the lowest energy electrons of the atom

Answers

Answer:

They exist in the outter orbital

Explanation:

i think c may be your anwser but im not too sure :/ srry if u get it wrong!

Ammonium Phosphate (NH4)3PO4 is a strong electrolyte. What will be the concentration of all the ions in a 0.9 M solution of ammonium phosphate?

Answers

There are 3 moles of

$NH_4^+$

per 1 mole of salt and 1 mole of

$PO_(4)^(3-)$

per mole of salt, the total ionic concentrations must be

$2.7 M$ of $NH_4^(+)$ , and $0.9 M$ of $PO_4^(3-)$

Please help brainiest

Answers

Answer:

Selenium (Se)

Explanation:

To identify an element, we look at its number of protons.

We are given 32 protons, so the 32nd element of the Periodic Table is Selenium (Se).

What will happen as an object receives energy due to heat flow? The molecules will move faster. The molecules will move more slowly.

Answers

The correct answer is the first option. If an object receives energy from heat flow, the molecules of that object will move faster because temperature and kinetic energy is directly proportional. As the heat is added, the temperature increases therefore increasing the kinetic energy of the molecules resulting to a faster motion.

The molecules will move faster

What is the difference between a homogeneous and a haterogeneous mixture

Answers

a homogeneous mixture has the same uniform appreance, and composition throughout. heterogeneous mixture consists of visibly different substances or phases, that would be your answer to that question.

Does Silicon form a cation or is it anion?

Answers

Silicon generally forms at least polar covalent bonds, like carbon, as befits its status as a Gropu 4A nonmetal. The only obvious exception I can think of is SiC, which despite the similarity you might expect to graphite or diamond does, I think, have significant ionic or metallic character to its bonding in the solid state.

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