8.5A Atom Structure

Which statement correctly describes the location and charge of the neutrons in an atom?

• The neutrons are inside the nucleus and have a positive charge.

• The neutrons are outside the nucleus and have a neutral charge.

• The neutrons are outside the nucleus and have a negative charge.

• The neutrons are inside the nucleus and have a neutral charge.

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NGSS.MS-PS1-1

What is the total number of protons, electrons and neutrons in oxygen, O, atom that has the mass number of 16?

• 8

• 16

• 24

• 31

Tags

NGSS.MS-PS1-1

Which statement accurately describe the atoms of a specific element?

• An oxygen, O, atom contains 8 electrons inside the nucleus and 8 neutrons outside the nucleus.

• A neon, Ne, atom contains 10 electrons outside the nucleus and 10 protons inside the nucleus.

• An oxygen, O, atom contains 8 protons inside the nucleus and 16 neutrons inside the nucleus.

• A neon, Ne, atom contains 10 electrons outside the nucleus and 20 protons inside the nucleus.

Tags

NGSS.MS-PS1-1

What is the difference between the number of electrons in an atom of oxygen, O, and the number of electrons in an atom of hydrogen, H?

• 9

• 8

• 7

• 1

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NGSS.MS-PS1-1

An atom has 3 protons, 4 neutrons, and 3 electrons. What is the charge of the atom’s nucleus?

• +4

• +3

• −4

• −3

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NGSS.MS-PS1-1

How many protons, electrons and neutrons are present in an atom of carbon, C, with the mass of 12?

• 12 protons, 12 electrons, 12 neutrons

• 6 protons, 12 electrons, 6 neutrons

• 12 protons, 6 electrons, 12 neutrons

• 6 protons, 6 electrons, 6 neutrons

Tags

NGSS.MS-PS1-1

An atom of a certain element has 11 electrons, and a mass number of 23. This element is very reactive in room temperature. How many neutrons are in this atom?

• 11

• 12

• 33

• 23

Tags

NGSS.MS-PS1-1

What type of particles are found in the cloud surrounding the atom's nucleus?

• Neutral particles and positively charge particles

• Positive charge particles only

• Negatively charge particles and positively charge particles

• Negatively charge particles only

Tags

NGSS.MS-PS1-1

What is the mass of sodium (Na) atom that has 11 neutrons?

• 11

• 23

• 22

• 12

Tags

NGSS.MS-PS1-1

Which of the following best describes a proton?

• It has a positive charge and the same mass as an electron

• It has a neutral charge and the same mass as an neutron

• It has a positive charge and the same mass as an neutron

• It has a negative charge and the same mass as an electron