3 years ago

If an atom has a neutral charge what does that tell you

1 answer:

6 0

The answer is C. There needs to be equal numbers of protons and electrons. If there are more or less electrons then the atom is no longer neutral! The number of electrons will equal the number of protons In a neutral atom and the number of protons is the atomic number.

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Explain how electron microscopes work and why some scientists might prefer to use electron microscopes instead of light microsco

WINSTONCH [101]

Answer:

Electron microscopes differ from light microscopes in that they produce an image of a specimen by using a beam of electrons rather than a beam of light. Electrons have much a shorter wavelength than visible light, and this allows electron microscopes to produce higher-resolution images than standard light microscopes.

Explanation:

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3 years ago

If a muriatic acid solution has a pH of 2.50, what is the hydronium ion concentration (hydronium ion concentration is also the m

Irina18 [472]

Answer:

[H₃O⁺] = 0.032 M

Explanation:

The acidity of a solution is measured by its pH, which is the logarithm of the inverse of the molar concentration of hydronium (H₃O⁺) ions:

pH = log 1 / [H₃O⁺] = - log [H₃O⁺]

When you know the pH value you can find hydronium concentration using the antilogaritm function:

$pH=-log[H_3O^{+}]\\ \\ {[H_3O^+]}=10^{-pH}\\ \\ {[H_3O^+]}=10^{-2.50}\\ \\ {[H_3O^+]}=0.0032$

The unit of molar concentration is M.

To prove your answer you can take the logarithm of 0.0316:

log (0.0032) ≈ 2.500

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3 years ago

What is the process of using one or more of your five senses to measure or collect data?

sveta [45]

Answer:

B no observation pls mark me branilest

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Where are lighter elements fused into elements more massive than iron?

Kaylis [27]

The answer is a supernova.

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3 years ago

In every chemical reaction that produce energy, ____ react with ________ ?

GaryK [48]

Answer:

Acid reacts with water?

Explanation:

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3 years ago