QuestionDecember 21, 2025

Read the passage and answer the following questions. Atoms Everything around us is made up of atoms.Atoms are one of the smallest units of matter. An atom is too small to see directly through a microscope. The smallest speck that can be seen under an ordinary microscope contains more than ten billion atoms. An atom is more that a million times smaller than the thickness of a human hair. There are three pieces to an atom. They are protons, neutrons, and electrons. These are called subatomic particles. The center of the atom is called the nucleus. Neutrons and protons are located in the atomic nucleus. Electrons are very small particles located outside the nucleus. Each type of subatomic particle has a different electrical charge. A proton always has an electrical charge of +1 An electron always has an electrical charge of -1 A neutron has no electrical charge associated with it, a charge of 0.

Read the passage and answer the following questions. Atoms Everything around us is made up of atoms.Atoms are one of the smallest units of matter. An atom is too small to see directly through a microscope. The smallest speck that can be seen under an ordinary microscope contains more than ten billion atoms. An atom is more that a million times smaller than the thickness of a human hair. There are three pieces to an atom. They are protons, neutrons, and electrons. These are called subatomic particles. The center of the atom is called the nucleus. Neutrons and protons are located in the atomic nucleus. Electrons are very small particles located outside the nucleus. Each type of subatomic particle has a different electrical charge. A proton always has an electrical charge of +1 An electron always has an electrical charge of -1 A neutron has no electrical charge associated with it, a charge of 0.
Read the passage and answer the following questions. Atoms Everything around us is made up of atoms.Atoms are one of the smallest units of matter. An atom is too small to see directly through a microscope. The smallest speck that can be seen under an ordinary microscope contains more than ten billion atoms. An atom is more that a million times smaller than the thickness of a human hair. There are three pieces to an atom. They are protons, neutrons, and electrons. These are called subatomic particles. The center of the atom is called the nucleus. Neutrons and protons are located in the atomic nucleus. Electrons are very small particles located outside the nucleus. Each type of subatomic particle has a different electrical charge. A proton always has an electrical charge of +1 An electron always has an electrical charge of -1 A neutron has no electrical charge associated with it, a charge of 0.

Solution
3.2(194 votes)

Answer

Atoms are tiny units of matter made of protons, neutrons, and electrons; protons and neutrons form the nucleus, while electrons move outside it. Explanation 1. Identify the main idea The passage explains what atoms are, their size, structure, and subatomic particles (protons, neutrons, and electrons). 2. Identify key details - Atoms are extremely small. - They consist of three subatomic particles: protons, neutrons, and electrons. - Protons and neutrons are in the nucleus; electrons move outside it. - Charges: proton = +1, electron = -1, neutron = 0.

Explanation

1. Identify the main idea<br /> The passage explains what atoms are, their size, structure, and subatomic particles (protons, neutrons, and electrons).<br /><br />2. Identify key details<br /> - Atoms are extremely small. <br /> - They consist of three subatomic particles: protons, neutrons, and electrons. <br /> - Protons and neutrons are in the nucleus; electrons move outside it. <br /> - Charges: proton $= +1$, electron $= -1$, neutron $= 0$.
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