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4 years ago

How does an object become negatively charged?

2 answers:

4 0

It gains electrons. Electrons are negatively charged subatomic particles; so when an atom gains an electron it becomes net negative.

Paha777 [63]4 years ago

3 0

Answer: The correct answer is it gains electrons.

Explanation:

There are 3 subsatomic particles in an atom: Electrons, neutrons and protons.

Neutrons does not carry any charge on them. They are neutral particles.

Protons carry positive charge on them.

Electrons carry negative charge on them.

In an element, number of protons and electrons remains the same.

When an element looses electrons, the number of protons increases than electrons. Thus, the element will have a positive charge.

When an element gains electrons, the number of electrons is more than the number of protons. Thus, the element will have a negative charge.

Hence, the correct answer is it gains electrons.

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Gases Solids compress more easily than liquids or gases. True False

SSSSS [86.1K]

Answer:

False

Explanation:

Gasses and have more space between molecules

4 0

4 years ago

Read 2 more answers

Classify each as an element, a compound, or a mixture.

Lelu [443]

1. I'm not sure. I would guess mixture
2. Mixture
3. Compound
4. Element
5. Compound
6. Mixture

4 0

4 years ago

A container of hydrogen gas has the same temperature as a container of oxygen gas. The gas atoms having the greater average kine

user100 [1]

Answer:

hope this helps

Explanation:

The atoms of hydrogen have smaller mass than oxygen. Thus their speeds have to higher in order to produce the same average kinetic energies.

4 0

3 years ago

Which of the following is a correct variation of the Joule's law equation? O A. P= I x R2 OB. P = V + OC. P = 12 V OD. P = V2 R

Minchanka [31]

Answer:

$P=\dfrac{V^2}{R}$

Explanation:

Power is defined as the rate at which energy is dissipated.

Its mathematical form is given by :

P = VI

Where

V is voltage and I is current

Using Ohm's law :

$I=\dfrac{V}{R}$ , R is resistance

Joule's law equation is given by :

$P=\dfrac{V^2}{R}$

Hence, the correct option is (d).

6 0

3 years ago

La leche se considera un alimento basico por su elevado contenido de nutrientes su densidad es de 1,4g/ml. Si se hace una compra

noname [10]

Answer:

8.82 kg es la masa total de leche

Explanation:

Consideraremos que el volumen de cada bolsa de leche es de 900 mL.

Sabiendo que tenemos en total 7 bolsas, el volumen final en litros que tenemos disponible es de:

900 mL . 7 = 6300 mL

Utilizando la densidad podemos calcular la masa de leche que tenemos en el total de las 7 bolsas

Densidad = masa / volumen

Densidad . volumen = masa → 1.4 g/mL . 6300 mL = 8820 g

Convertimos la masa de gramos a kg

8820 g . 1 kg /1000g = 8.82 kg

5 0

3 years ago