2 years ago

Describe the structure of atoms, including locations and charges of protons, neutrons, and electrons

1 answer:

3 0

In an atom, the protons, which have a positive charge, and the neutrons, which have a neutral charge, are located in the nucleus. The electrons, which have a negative charge, orbit the nucleus of the atom.

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2. List and elaborate on at least two limitations of the 24-hour recall as a

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Answer:

The correct answer is - may not be typical, and participant burden.

Explanation:

The 24-hour recall is nothing but a retrospective method of diet assessment. In this method, an individual is interviewed about his or her diet consumption during the last 24 hours.

The disadvantages or limitations of this method include the inability of a single day's intake to describe the typical diet, multiple recalls to intake, cost and administration time; participant burden, have to recall to reliably estimate usual intake.

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3 years ago

What is the pressure in mm hg of a 0.025 mole sample of co2 at 350 k in a 200 l container?

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Answer:

0.65mmHg

Explanation:

Take R =8.314J/mol/K

V=200dm3

PV=nRT

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1 year ago

A lever with a mechanical advantage greater then 1 is used to

love history [14]

<span>. increase distance , increase force.</span>

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2 years ago

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An atom has atomic number of 34. how many protons and electrons does it have? what is its symbol? 34 protons and electrons. se l

AURORKA [14]

Se: Selenium

Protons: 34
Electrons: All atoms in the periodic table are neutral until changed otherwise
Neutrons: 44
Atomic Mass: 78.09

>Symbol attached<

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2 years ago

Which of the following is ONE of the signs of a chemical change

pickupchik [31]

Answer:

um i one of what?

Explanation:

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2 years ago

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