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3 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]3 years ago

3 0

<u>Answer:</u> The correct answer is it gains electrons.

<u>Explanation:</u>

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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Which option explains how purple pigments make some flower petals purple?

raketka [301]

Many of the actual chemicals in flower petals that give them their different colors are called anthocyanins. These are water-soluble compounds that belong to a bigger class of chemicals known as flavonoids. Anthocyanins are responsible for creating the colors blue, red, pink, and purple in flowers.

3 0

3 years ago

Identify Which two types of subatomic particles are located in the nucleus?

Ivan

Answer:

protons and neutrons

Explanation:

4 0

3 years ago

You have a graduated cylinder with 10 mL of water in it.

Law Incorporation [45]

Answer:

<h3>The answer is 10 g/mL</h3>

Explanation:

The density of a substance can be found by using the formula

$density = \frac{mass}{volume} \\$

From the question

mass = 300 g

volume = final volume of water - initial volume of water

volume = 40 - 10 = 30 mL

We have

$density = \frac{300}{30} = \frac{30}{3} \\$

We have the final answer as

Hope this helps you

5 0

3 years ago

Which phrases describe clastic sedimentary rocks? Check all that apply.

Romashka [77]

Explanation:

A clastic sedimentary rock is a rock that is formed from pre-existing rock materials and minerals. This materials have been transported to their new positions by the agents of denudation.

Clastic sedimentary rocks are made up of rock fragments predominantly.
The matrix is usually remnants of other rocks.
A cementing material can form between clasts and holds them in place. Cements are usually iron oxides, calcite e.t.c.
These rock types are usually formed from mechanincal weathering of rocks
Mechanical weathering breaks down rocks into chunks.
Examples are breccia, conglomerates, e.t.c.

Learn more:

Sedimentary rocks brainly.com/question/2740663

#learnwithBrainly

5 0

3 years ago

An electron ______ is an area around the nucleus of an atom where an electron is likely to be found.

jek_recluse [69]

Answer:

orbital

hope this helps! <3

4 0

2 years ago