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vovikov84 [41]
3 years ago
14

Easons for the dense packing in metals ​

Chemistry
1 answer:
Firdavs [7]3 years ago
7 0

Explanation:

Typically, only one element is present, so all atomic radii are the same. -Metallic bonding is not directional. -Nearest neighbor distances tend to be small in order to lower bond energy.

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Ugo [173]

Answer:

2nd option

Explanation:

7 0
3 years ago
A community consists of all the organisms in an ecosystem that belong to the same species.
choli [55]

Answer:

False

Explanation:

A community consists of all the organisms in an ecosystem that belong to the same species. Population density occurs when two or more organisms seek the same resource at the same time. A carrying capacity is anything that restricts the number of individuals in a population.

3 0
2 years ago
Read 2 more answers
Explore how the identity of reactants and products can be used to classify types of reactions
aliya0001 [1]
Reactants are substances that start a chemical reaction, and products are substances that are produced in the reaction hope this helps
8 0
3 years ago
A chemical equation is balanced when the number of each
Lelu [443]

Answer: Atom/element

Explanation: Since matter cannot be created or destroyed, the number of atoms has to be equal on both sides of the equation.

4 0
2 years ago
Initially, a particular sample has a total mass of 200 grams and contains 128 x 1010 radioactive nuclei. These radioactive nucle
lubasha [3.4K]

Explanation:

Formula to calculate how many particles are left is as follows.

              N = N_{0} (\frac{1}{2})^{l}

where,     N_{0} = number of initial particles

                              l = number of half lives

As it is given that number of initial particles is 128 \times 10^{10} and number of half-lives is 3.

Hence, putting the given values into the above equation as follows.

               N = N_{0} (\frac{1}{2})^{l}

                    = 128 \times 10^{10}(\frac{1}{2})^{3}

                    = 16 \times 10^{10}

or,                    1.6 \times 10^{11}

Thus, we can conclude that 1.6 \times 10^{11} particles of radioactive nuclei remain in the given sample.

In five hours we've gone through 5 half lives so the answer is:

particles

8 0
3 years ago
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