What will most likely happen when two bromine atoms bond together?

Answers

Answer 1

Answer: Bromine is a chemical element in the periodic table with atomic number 35 and mass 79.9 units. When two bromine atoms are brought together they are likley to form a bromine molecule that will consist of the two orginal atoms bound together by a single covalent bond.

Answer 2

Answer: Ionic bonding is the entire exchange of valence electron(s) between particles. It is a kind of substance security that creates two oppositely charged particles. In ionic bonds, the metal loses electrons to wind up plainly an emphatically charged cation, though the nonmetal acknowledges those electrons to end up noticeably a contrarily charged anion.

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During Mr. Nye's science class, students were expected to identify various substances using physical properties they could easily measure. Mr. Nye gave each of the five groups a green, metal cube and asked them to identify what the cube was made of. Matt's cube, after 5 trials, had an average density of 7.40 g/cm3 . His group's cube was made of A) aluminum. B) gold. C) nickel. D) zinc.
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How many thorium atoms would have to be lined up side by side to span 1.80 mm ?
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Which of the following explains why hot liquids have a greater average energy of motion than cold liquids? *Hot liquids have more electrons
Cold liquids have more electrons.
Particles in hot liquids move faster than particles in cold liquids
Particles in cold liquids move faster than particles in hot liquids.

Answers

Particles in hot liquids move faster than particles in cold liquids. The faster a particle moves, the greater its kinetic energy.

The number of electrons in a particle has nothing to do with its kinetic energy.

Particles in cold liquids move more slowly than particles in hot liquids.

Predict what happens when zinc is added to water

Answers

As far as I know Zinc doesn't react with water, but I'm not sure. If it were, Zinc hydroxide and hydrogen would be the products, so it only happens if Zinc is more reactive than hydrogen.

Answer:

Zinc doesn't react with water.

Explanation:

It forms a layer of insoluble zinc hydroxide.

if you had a sample of beryllium, would all the atoms be identical? what about a sample of lithium? explain your answers.

Answers

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The radius of an atom of gold (Au) is about 1.35 Å.How many gold atoms would have to be lined up to span 9.5 mm ?

Answers

Answer : The number of gold atoms will be, $3.52* 10^7$

Explanation :

First we have to determine the diameter of an atom of gold.

$Diameter=2* Radius$

Given :

Radius of an atom of gold = $1.35\AA$

$Diameter=2* 1.35\AA=2.7\AA$

Conversion used : $(1\AA=10^(-7)mm)$

$Diameter=2.7\AA=2.7* 10^(-7)mm$

Now we have to calculate the number of gold atoms.

$\text{Number of gold atoms}=\frac{\text{Span length}}{\text{Diameter of an atom of gold}}$

$\text{Number of gold atoms}=(9.5mm)/(2.7* 10^(-7)mm)=3.52* 10^7$

Therefore, the number of gold atoms will be $3.52* 10^7$

Two radius of an atom is equal to the diameter. Adding up all the diameter of the atoms, it should be equal to 9.5 mm. Therefore, we simply convert the units to the same units then divide 1.35 A to 9.5 mm. We calculate as follows:

no. of atoms = 0.0095 m / 1.35x10^-9 m = 7037037 atoms

Hope this answers the question. Have a nice day.

What is the half life of a radioisotope if 25.0 grams of anoriginal 200.-gram sample of the isotope remainsunchanged after 11.46 days?3) 11.46 d1) 2.87 d4) 34.38 d2) 3.82 d

Answers

Half-life is the amount of time, in days or years( most common) a certain substance disintegrate half of it's content.
We are given the initial (Ao) and final (A) amount of the substance. The time passed (T) is also given and we are asked to find the half-life (t). We use the equation below:

A=Aoe^(-ln2/t)T
25=200e^(-ln2/t)(11.46)
Solve for t
Answer: 3.82 days

In a calcium atom in the ground state, the electrons that possess the least amount of energy are located in the(1) first electron shell
(2) second electron shell
(3) third electron shell
(4) fourth electron shell

Answers

According to the electronic configuration, a calcium atom in the ground state electrons which possess least amount of energy are located in first shell.

What is electronic configuration?

Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.

Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.

Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elementshave valence shell complete in ground state and hence are said to be stable.

According to the electronic configuration,as the number of shells increases their energy also increases .Hence, electrons in first shell have least energy.

Learn more about electronic configuration,here:

brainly.com/question/13497372

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Answer:

Explanation:

first electron shell.

First electron shell possesses the least amount of energy at the core.

Hope this helps.

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