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Mila [183]
3 years ago
13

Atoms have a blank shape. the blank of an atom is made up of

Chemistry
2 answers:
timurjin [86]3 years ago
7 0

<em>Answer:</em>

  • The atom has spherical shape. The nucleus of an atom is made up of protons and neutrons.

<em>Explanation:</em>

  • The shape of an atom depend upon many factors including angular momentum of electrons and electrostatic forces between particles. So mostly the shape of an atom is complex , however in simplest of atoms have spherical shapes.
  • The atom consist of three fundamental particle like protons, neutron and electrons. Proton and neutron are collectively form the nucleus of an atom while electrons revolve around the nucleus.
vodka [1.7K]3 years ago
4 0

complete question:

Atoms have a blank shape. The nucleus of an atom is made up of blank that have a positive charge and blank that have no blank.

Answer:

Atoms have a spherical shape. The nucleus of an atom is made up of proton that have a positive charge and neutron that have no charge. The

Explanation:

Atoms are the fundamental unit of matter that defines the structure of an element. Atoms are the basic unit that makes up an element. Atom consist of proton, neutron and electron.

The atom is regarded as been spherical in shape but it has no defined edges. The nucleus of an atom is where the proton and the neutron of an atom resides. The electron is found at the outer part of an atom. It is known to revolve around the atom.

The proton of an atom is positively charged while the neutron has no charge. The proton and the neutron of an atom contributes immensely to the mass of an atom. In fact it determines the mass of an atom.

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Which stage of the scientific process enables a scientist to check the work of other
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The answer to this would be communicating.

Explanation:

A scientist would be communicating to his or her fellow colleagues and sharing to them his or her idea.

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3 0
3 years ago
Which chemical element represents the most abundant “atoms of an element” found in air?
zalisa [80]

Answer:

The order of elements by volume-fraction (which is approximately molecular mole-fraction) in the atmosphere is nitrogen (78.1%), oxygen (20.9%), argon (0.96%), followed by (in uncertain order) carbon and hydrogen because water vapor and carbon dioxide, which represent most of these two elements in the air, are variable.

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3 0
3 years ago
Which of the following latitudes receive the most direct solar energy?
Misha Larkins [42]

Answer:

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8 0
3 years ago
The estimated heat of vaporization of diethyl ether using the Chen's rule is A. 29.7 KJ/mol B. 33.5 KJ/mol C. 26.4 KJ/mol D. 36.
Brums [2.3K]

Answer:

C. 26.4 kJ/mol

Explanation:

The Chen's rule for the calculation of heat of vaporization is shown below:

\Delta H_v=RT_b\left [ \frac{3.974\left ( \frac{T_b}{T_c} \right )-3.958+1.555lnP_c}{1.07-\left ( \frac{T_b}{T_c} \right )} \right ]

Where,

\Delta H_v is the Heat of vaoprization (J/mol)

T_b is the normal boiling point of the gas (K)

T_c is the Critical temperature of the gas (K)

P_c is the Critical pressure of the gas (bar)

R is the gas constant (8.314 J/Kmol)

For diethyl ether:

T_b=307.4\ K

T_c=466.7\ K

P_c=36.4\ bar

Applying the above equation to find heat of vaporization as:

\Delta H_v=8.314\times307.4 \left [ \frac{3.974\left ( \frac{307.4}{466.7} \right )-3.958+1.555ln36.4}{1.07-\left ( \frac{307.4}{466.7} \right )} \right ]

\Delta H_v=26400 J/mol

The conversion of J into kJ is shown below:

1 J = 10⁻³ kJ

Thus,

\Delta H_v=26.4 kJ/mol

<u>Option C is correct</u>

6 0
4 years ago
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